Home / 10,410.24-15,615.84-5,789.76

Finding the Fourth Proportional to 10,410.24, 15,615.84 and 5,789.76

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Solution

The fourth proportional to 10,410.24, 15,615.84 and 5,789.76 is: 8,684.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,410.24 : 15,615.84 = 5,789.76 : x
  2. Step 2: Convert to fraction form
    10,410.24/15,615.84 = 5,789.76/x
  3. Step 3: Cross multiply
    10,410.24x = 15,615.84 × 5,789.76
  4. Step 4: Simplify right side
    10,410.24x = 90,411,965.80
  5. Step 5: Solve for x
    x = 90,411,965.80/10,410.24
  6. Step 6: Final answer
    x = 8,684.91

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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.