Home / 19,531.29-29,298.47-6,384.99

Finding the Fourth Proportional to 19,531.29, 29,298.47 and 6,384.99

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Solution

The fourth proportional to 19,531.29, 29,298.47 and 6,384.99 is: 9,577.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,531.29 : 29,298.47 = 6,384.99 : x
  2. Step 2: Convert to fraction form
    19,531.29/29,298.47 = 6,384.99/x
  3. Step 3: Cross multiply
    19,531.29x = 29,298.47 × 6,384.99
  4. Step 4: Simplify right side
    19,531.29x = 187,070,406.04
  5. Step 5: Solve for x
    x = 187,070,406.04/19,531.29
  6. Step 6: Final answer
    x = 9,577.99

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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.