Home / 10,666.60-16,002.30-6,281.80

Finding the Fourth Proportional to 10,666.60, 16,002.30 and 6,281.80

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Solution

The fourth proportional to 10,666.60, 16,002.30 and 6,281.80 is: 9,424.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,666.60 : 16,002.30 = 6,281.80 : x
  2. Step 2: Convert to fraction form
    10,666.60/16,002.30 = 6,281.80/x
  3. Step 3: Cross multiply
    10,666.60x = 16,002.30 × 6,281.80
  4. Step 4: Simplify right side
    10,666.60x = 100,523,248.14
  5. Step 5: Solve for x
    x = 100,523,248.14/10,666.60
  6. Step 6: Final answer
    x = 9,424.11

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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.