Home / 10,417.92-15,627.06-3,840.72

Finding the Fourth Proportional to 10,417.92, 15,627.06 and 3,840.72

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Solution

The fourth proportional to 10,417.92, 15,627.06 and 3,840.72 is: 5,761.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,417.92 : 15,627.06 = 3,840.72 : x
  2. Step 2: Convert to fraction form
    10,417.92/15,627.06 = 3,840.72/x
  3. Step 3: Cross multiply
    10,417.92x = 15,627.06 × 3,840.72
  4. Step 4: Simplify right side
    10,417.92x = 60,019,161.88
  5. Step 5: Solve for x
    x = 60,019,161.88/10,417.92
  6. Step 6: Final answer
    x = 5,761.15

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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.