Home / 19,565.94-29,318.68-13,215.94

Finding the Fourth Proportional to 19,565.94, 29,318.68 and 13,215.94

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Solution

The fourth proportional to 19,565.94, 29,318.68 and 13,215.94 is: 19,803.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,565.94 : 29,318.68 = 13,215.94 : x
  2. Step 2: Convert to fraction form
    19,565.94/29,318.68 = 13,215.94/x
  3. Step 3: Cross multiply
    19,565.94x = 29,318.68 × 13,215.94
  4. Step 4: Simplify right side
    19,565.94x = 387,473,915.76
  5. Step 5: Solve for x
    x = 387,473,915.76/19,565.94
  6. Step 6: Final answer
    x = 19,803.49

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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.