Home / 12,513.06-17,267.35-7,134.70

Finding the Fourth Proportional to 12,513.06, 17,267.35 and 7,134.70

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Solution

The fourth proportional to 12,513.06, 17,267.35 and 7,134.70 is: 9,845.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,513.06 : 17,267.35 = 7,134.70 : x
  2. Step 2: Convert to fraction form
    12,513.06/17,267.35 = 7,134.70/x
  3. Step 3: Cross multiply
    12,513.06x = 17,267.35 × 7,134.70
  4. Step 4: Simplify right side
    12,513.06x = 123,197,396.74
  5. Step 5: Solve for x
    x = 123,197,396.74/12,513.06
  6. Step 6: Final answer
    x = 9,845.51

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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.