Home / 14,946.28-20,624.94-8,657.56

Finding the Fourth Proportional to 14,946.28, 20,624.94 and 8,657.56

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Solution

The fourth proportional to 14,946.28, 20,624.94 and 8,657.56 is: 11,946.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,946.28 : 20,624.94 = 8,657.56 : x
  2. Step 2: Convert to fraction form
    14,946.28/20,624.94 = 8,657.56/x
  3. Step 3: Cross multiply
    14,946.28x = 20,624.94 × 8,657.56
  4. Step 4: Simplify right side
    14,946.28x = 178,561,655.55
  5. Step 5: Solve for x
    x = 178,561,655.55/14,946.28
  6. Step 6: Final answer
    x = 11,946.90

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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.