Home / 10,003.30-14,972.55-8,836.90

Finding the Fourth Proportional to 10,003.30, 14,972.55 and 8,836.90

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Solution

The fourth proportional to 10,003.30, 14,972.55 and 8,836.90 is: 13,226.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,003.30 : 14,972.55 = 8,836.90 : x
  2. Step 2: Convert to fraction form
    10,003.30/14,972.55 = 8,836.90/x
  3. Step 3: Cross multiply
    10,003.30x = 14,972.55 × 8,836.90
  4. Step 4: Simplify right side
    10,003.30x = 132,310,927.10
  5. Step 5: Solve for x
    x = 132,310,927.10/10,003.30
  6. Step 6: Final answer
    x = 13,226.73

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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.