Home / 21,151.98-31,661.02-14,882.94

Finding the Fourth Proportional to 21,151.98, 31,661.02 and 14,882.94

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Solution

The fourth proportional to 21,151.98, 31,661.02 and 14,882.94 is: 22,277.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,151.98 : 31,661.02 = 14,882.94 : x
  2. Step 2: Convert to fraction form
    21,151.98/31,661.02 = 14,882.94/x
  3. Step 3: Cross multiply
    21,151.98x = 31,661.02 × 14,882.94
  4. Step 4: Simplify right side
    21,151.98x = 471,209,061.00
  5. Step 5: Solve for x
    x = 471,209,061.00/21,151.98
  6. Step 6: Final answer
    x = 22,277.30

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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.