Home / 19,851.18-29,767.78-14,281.17

Finding the Fourth Proportional to 19,851.18, 29,767.78 and 14,281.17

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Solution

The fourth proportional to 19,851.18, 29,767.78 and 14,281.17 is: 21,415.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,851.18 : 29,767.78 = 14,281.17 : x
  2. Step 2: Convert to fraction form
    19,851.18/29,767.78 = 14,281.17/x
  3. Step 3: Cross multiply
    19,851.18x = 29,767.78 × 14,281.17
  4. Step 4: Simplify right side
    19,851.18x = 425,118,726.70
  5. Step 5: Solve for x
    x = 425,118,726.70/19,851.18
  6. Step 6: Final answer
    x = 21,415.29

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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.