Home / 14,535.70-20,061.56-8,871.68

Finding the Fourth Proportional to 14,535.70, 20,061.56 and 8,871.68

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Solution

The fourth proportional to 14,535.70, 20,061.56 and 8,871.68 is: 12,244.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,535.70 : 20,061.56 = 8,871.68 : x
  2. Step 2: Convert to fraction form
    14,535.70/20,061.56 = 8,871.68/x
  3. Step 3: Cross multiply
    14,535.70x = 20,061.56 × 8,871.68
  4. Step 4: Simplify right side
    14,535.70x = 177,979,740.62
  5. Step 5: Solve for x
    x = 177,979,740.62/14,535.70
  6. Step 6: Final answer
    x = 12,244.32

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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.