Home / 16,557.60-24,814.80-6,688.80

Finding the Fourth Proportional to 16,557.60, 24,814.80 and 6,688.80

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Solution

The fourth proportional to 16,557.60, 24,814.80 and 6,688.80 is: 10,024.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,557.60 : 24,814.80 = 6,688.80 : x
  2. Step 2: Convert to fraction form
    16,557.60/24,814.80 = 6,688.80/x
  3. Step 3: Cross multiply
    16,557.60x = 24,814.80 × 6,688.80
  4. Step 4: Simplify right side
    16,557.60x = 165,981,234.24
  5. Step 5: Solve for x
    x = 165,981,234.24/16,557.60
  6. Step 6: Final answer
    x = 10,024.47

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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.