Home / 10,384.32-15,562.08-8,183.04

Finding the Fourth Proportional to 10,384.32, 15,562.08 and 8,183.04

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Solution

The fourth proportional to 10,384.32, 15,562.08 and 8,183.04 is: 12,263.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,384.32 : 15,562.08 = 8,183.04 : x
  2. Step 2: Convert to fraction form
    10,384.32/15,562.08 = 8,183.04/x
  3. Step 3: Cross multiply
    10,384.32x = 15,562.08 × 8,183.04
  4. Step 4: Simplify right side
    10,384.32x = 127,345,123.12
  5. Step 5: Solve for x
    x = 127,345,123.12/10,384.32
  6. Step 6: Final answer
    x = 12,263.21

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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.