Home / 12,548.57-17,307.45-9,190.17

Finding the Fourth Proportional to 12,548.57, 17,307.45 and 9,190.17

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Solution

The fourth proportional to 12,548.57, 17,307.45 and 9,190.17 is: 12,675.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,548.57 : 17,307.45 = 9,190.17 : x
  2. Step 2: Convert to fraction form
    12,548.57/17,307.45 = 9,190.17/x
  3. Step 3: Cross multiply
    12,548.57x = 17,307.45 × 9,190.17
  4. Step 4: Simplify right side
    12,548.57x = 159,058,407.77
  5. Step 5: Solve for x
    x = 159,058,407.77/12,548.57
  6. Step 6: Final answer
    x = 12,675.43

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.