Home / 10,382.60-15,586.20-8,192.84

Finding the Fourth Proportional to 10,382.60, 15,586.20 and 8,192.84

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Solution

The fourth proportional to 10,382.60, 15,586.20 and 8,192.84 is: 12,298.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382.60 : 15,586.20 = 8,192.84 : x
  2. Step 2: Convert to fraction form
    10,382.60/15,586.20 = 8,192.84/x
  3. Step 3: Cross multiply
    10,382.60x = 15,586.20 × 8,192.84
  4. Step 4: Simplify right side
    10,382.60x = 127,695,242.81
  5. Step 5: Solve for x
    x = 127,695,242.81/10,382.60
  6. Step 6: Final answer
    x = 12,298.97

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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.