Home / 13,354.17-18,427.16-7,385.03

Finding the Fourth Proportional to 13,354.17, 18,427.16 and 7,385.03

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Solution

The fourth proportional to 13,354.17, 18,427.16 and 7,385.03 is: 10,190.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,354.17 : 18,427.16 = 7,385.03 : x
  2. Step 2: Convert to fraction form
    13,354.17/18,427.16 = 7,385.03/x
  3. Step 3: Cross multiply
    13,354.17x = 18,427.16 × 7,385.03
  4. Step 4: Simplify right side
    13,354.17x = 136,085,124.84
  5. Step 5: Solve for x
    x = 136,085,124.84/13,354.17
  6. Step 6: Final answer
    x = 10,190.46

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Double scale
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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.