Home / 10,442.91-15,659.58-5,761.36

Finding the Fourth Proportional to 10,442.91, 15,659.58 and 5,761.36

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Solution

The fourth proportional to 10,442.91, 15,659.58 and 5,761.36 is: 8,639.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,442.91 : 15,659.58 = 5,761.36 : x
  2. Step 2: Convert to fraction form
    10,442.91/15,659.58 = 5,761.36/x
  3. Step 3: Cross multiply
    10,442.91x = 15,659.58 × 5,761.36
  4. Step 4: Simplify right side
    10,442.91x = 90,220,486.60
  5. Step 5: Solve for x
    x = 90,220,486.60/10,442.91
  6. Step 6: Final answer
    x = 8,639.40

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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.