Home / 19,398.16-29,082.45-8,860.87

Finding the Fourth Proportional to 19,398.16, 29,082.45 and 8,860.87

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Solution

The fourth proportional to 19,398.16, 29,082.45 and 8,860.87 is: 13,284.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,398.16 : 29,082.45 = 8,860.87 : x
  2. Step 2: Convert to fraction form
    19,398.16/29,082.45 = 8,860.87/x
  3. Step 3: Cross multiply
    19,398.16x = 29,082.45 × 8,860.87
  4. Step 4: Simplify right side
    19,398.16x = 257,695,663.32
  5. Step 5: Solve for x
    x = 257,695,663.32/19,398.16
  6. Step 6: Final answer
    x = 13,284.55

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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.