Home / 10,025.10-15,037.65-8,145.90

Finding the Fourth Proportional to 10,025.10, 15,037.65 and 8,145.90

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Solution

The fourth proportional to 10,025.10, 15,037.65 and 8,145.90 is: 12,218.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,025.10 : 15,037.65 = 8,145.90 : x
  2. Step 2: Convert to fraction form
    10,025.10/15,037.65 = 8,145.90/x
  3. Step 3: Cross multiply
    10,025.10x = 15,037.65 × 8,145.90
  4. Step 4: Simplify right side
    10,025.10x = 122,495,193.14
  5. Step 5: Solve for x
    x = 122,495,193.14/10,025.10
  6. Step 6: Final answer
    x = 12,218.85

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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.