Home / 22,254.76-30,714.01-14,188.70

Finding the Fourth Proportional to 22,254.76, 30,714.01 and 14,188.70

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Solution

The fourth proportional to 22,254.76, 30,714.01 and 14,188.70 is: 19,581.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,254.76 : 30,714.01 = 14,188.70 : x
  2. Step 2: Convert to fraction form
    22,254.76/30,714.01 = 14,188.70/x
  3. Step 3: Cross multiply
    22,254.76x = 30,714.01 × 14,188.70
  4. Step 4: Simplify right side
    22,254.76x = 435,791,915.00
  5. Step 5: Solve for x
    x = 435,791,915.00/22,254.76
  6. Step 6: Final answer
    x = 19,581.97

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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.