Home / 10,588.20-15,882.30-2,690.70

Finding the Fourth Proportional to 10,588.20, 15,882.30 and 2,690.70

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Solution

The fourth proportional to 10,588.20, 15,882.30 and 2,690.70 is: 4,036.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,588.20 : 15,882.30 = 2,690.70 : x
  2. Step 2: Convert to fraction form
    10,588.20/15,882.30 = 2,690.70/x
  3. Step 3: Cross multiply
    10,588.20x = 15,882.30 × 2,690.70
  4. Step 4: Simplify right side
    10,588.20x = 42,734,504.61
  5. Step 5: Solve for x
    x = 42,734,504.61/10,588.20
  6. Step 6: Final answer
    x = 4,036.05

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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.