Home / 14,839.24-20,478.27-8,789.81

Finding the Fourth Proportional to 14,839.24, 20,478.27 and 8,789.81

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Solution

The fourth proportional to 14,839.24, 20,478.27 and 8,789.81 is: 12,130.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,839.24 : 20,478.27 = 8,789.81 : x
  2. Step 2: Convert to fraction form
    14,839.24/20,478.27 = 8,789.81/x
  3. Step 3: Cross multiply
    14,839.24x = 20,478.27 × 8,789.81
  4. Step 4: Simplify right side
    14,839.24x = 180,000,098.75
  5. Step 5: Solve for x
    x = 180,000,098.75/14,839.24
  6. Step 6: Final answer
    x = 12,130.01

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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.