Home / 14,487.84-21,709.08-11,565.36

Finding the Fourth Proportional to 14,487.84, 21,709.08 and 11,565.36

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Solution

The fourth proportional to 14,487.84, 21,709.08 and 11,565.36 is: 17,329.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487.84 : 21,709.08 = 11,565.36 : x
  2. Step 2: Convert to fraction form
    14,487.84/21,709.08 = 11,565.36/x
  3. Step 3: Cross multiply
    14,487.84x = 21,709.08 × 11,565.36
  4. Step 4: Simplify right side
    14,487.84x = 251,073,325.47
  5. Step 5: Solve for x
    x = 251,073,325.47/14,487.84
  6. Step 6: Final answer
    x = 17,329.93

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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.