Home / 10,025.38-15,038.28-3,099.88

Finding the Fourth Proportional to 10,025.38, 15,038.28 and 3,099.88

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Solution

The fourth proportional to 10,025.38, 15,038.28 and 3,099.88 is: 4,649.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,025.38 : 15,038.28 = 3,099.88 : x
  2. Step 2: Convert to fraction form
    10,025.38/15,038.28 = 3,099.88/x
  3. Step 3: Cross multiply
    10,025.38x = 15,038.28 × 3,099.88
  4. Step 4: Simplify right side
    10,025.38x = 46,616,863.41
  5. Step 5: Solve for x
    x = 46,616,863.41/10,025.38
  6. Step 6: Final answer
    x = 4,649.88

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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.