Home / 22,543.74-31,106.79-14,586.30

Finding the Fourth Proportional to 22,543.74, 31,106.79 and 14,586.30

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Solution

The fourth proportional to 22,543.74, 31,106.79 and 14,586.30 is: 20,126.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,543.74 : 31,106.79 = 14,586.30 : x
  2. Step 2: Convert to fraction form
    22,543.74/31,106.79 = 14,586.30/x
  3. Step 3: Cross multiply
    22,543.74x = 31,106.79 × 14,586.30
  4. Step 4: Simplify right side
    22,543.74x = 453,732,970.98
  5. Step 5: Solve for x
    x = 453,732,970.98/22,543.74
  6. Step 6: Final answer
    x = 20,126.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.