Home / 18,402.10-27,603.60-6,715.32

Finding the Fourth Proportional to 18,402.10, 27,603.60 and 6,715.32

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Solution

The fourth proportional to 18,402.10, 27,603.60 and 6,715.32 is: 10,073.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,402.10 : 27,603.60 = 6,715.32 : x
  2. Step 2: Convert to fraction form
    18,402.10/27,603.60 = 6,715.32/x
  3. Step 3: Cross multiply
    18,402.10x = 27,603.60 × 6,715.32
  4. Step 4: Simplify right side
    18,402.10x = 185,366,869.13
  5. Step 5: Solve for x
    x = 185,366,869.13/18,402.10
  6. Step 6: Final answer
    x = 10,073.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.