Home / 13,402.12-18,496.51-7,434.18

Finding the Fourth Proportional to 13,402.12, 18,496.51 and 7,434.18

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Solution

The fourth proportional to 13,402.12, 18,496.51 and 7,434.18 is: 10,260.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,402.12 : 18,496.51 = 7,434.18 : x
  2. Step 2: Convert to fraction form
    13,402.12/18,496.51 = 7,434.18/x
  3. Step 3: Cross multiply
    13,402.12x = 18,496.51 × 7,434.18
  4. Step 4: Simplify right side
    13,402.12x = 137,506,324.59
  5. Step 5: Solve for x
    x = 137,506,324.59/13,402.12
  6. Step 6: Final answer
    x = 10,260.04

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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.