Home / 10,970.80-16,434.60-6,575.20

Finding the Fourth Proportional to 10,970.80, 16,434.60 and 6,575.20

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Solution

The fourth proportional to 10,970.80, 16,434.60 and 6,575.20 is: 9,849.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,970.80 : 16,434.60 = 6,575.20 : x
  2. Step 2: Convert to fraction form
    10,970.80/16,434.60 = 6,575.20/x
  3. Step 3: Cross multiply
    10,970.80x = 16,434.60 × 6,575.20
  4. Step 4: Simplify right side
    10,970.80x = 108,060,781.92
  5. Step 5: Solve for x
    x = 108,060,781.92/10,970.80
  6. Step 6: Final answer
    x = 9,849.85

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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.