Home / 10,145.67-15,240.51-8,588.85

Finding the Fourth Proportional to 10,145.67, 15,240.51 and 8,588.85

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Solution

The fourth proportional to 10,145.67, 15,240.51 and 8,588.85 is: 12,901.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,145.67 : 15,240.51 = 8,588.85 : x
  2. Step 2: Convert to fraction form
    10,145.67/15,240.51 = 8,588.85/x
  3. Step 3: Cross multiply
    10,145.67x = 15,240.51 × 8,588.85
  4. Step 4: Simplify right side
    10,145.67x = 130,898,454.31
  5. Step 5: Solve for x
    x = 130,898,454.31/10,145.67
  6. Step 6: Final answer
    x = 12,901.90

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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.