Home / 10,285.08-15,427.62-2,493.90

Finding the Fourth Proportional to 10,285.08, 15,427.62 and 2,493.90

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Solution

The fourth proportional to 10,285.08, 15,427.62 and 2,493.90 is: 3,740.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,285.08 : 15,427.62 = 2,493.90 : x
  2. Step 2: Convert to fraction form
    10,285.08/15,427.62 = 2,493.90/x
  3. Step 3: Cross multiply
    10,285.08x = 15,427.62 × 2,493.90
  4. Step 4: Simplify right side
    10,285.08x = 38,474,941.52
  5. Step 5: Solve for x
    x = 38,474,941.52/10,285.08
  6. Step 6: Final answer
    x = 3,740.85

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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.