Home / 21,179.16-31,773.98-14,951.36

Finding the Fourth Proportional to 21,179.16, 31,773.98 and 14,951.36

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Solution

The fourth proportional to 21,179.16, 31,773.98 and 14,951.36 is: 22,430.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,179.16 : 31,773.98 = 14,951.36 : x
  2. Step 2: Convert to fraction form
    21,179.16/31,773.98 = 14,951.36/x
  3. Step 3: Cross multiply
    21,179.16x = 31,773.98 × 14,951.36
  4. Step 4: Simplify right side
    21,179.16x = 475,064,213.61
  5. Step 5: Solve for x
    x = 475,064,213.61/21,179.16
  6. Step 6: Final answer
    x = 22,430.74

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1.5x scale

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.