Home / 16,983.60-25,475.40-14,359.20

Finding the Fourth Proportional to 16,983.60, 25,475.40 and 14,359.20

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Solution

The fourth proportional to 16,983.60, 25,475.40 and 14,359.20 is: 21,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,983.60 : 25,475.40 = 14,359.20 : x
  2. Step 2: Convert to fraction form
    16,983.60/25,475.40 = 14,359.20/x
  3. Step 3: Cross multiply
    16,983.60x = 25,475.40 × 14,359.20
  4. Step 4: Simplify right side
    16,983.60x = 365,806,363.68
  5. Step 5: Solve for x
    x = 365,806,363.68/16,983.60
  6. Step 6: Final answer
    x = 21,538.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.