Home / 10,240.32-15,366.45-4,316.85

Finding the Fourth Proportional to 10,240.32, 15,366.45 and 4,316.85

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Solution

The fourth proportional to 10,240.32, 15,366.45 and 4,316.85 is: 6,477.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,240.32 : 15,366.45 = 4,316.85 : x
  2. Step 2: Convert to fraction form
    10,240.32/15,366.45 = 4,316.85/x
  3. Step 3: Cross multiply
    10,240.32x = 15,366.45 × 4,316.85
  4. Step 4: Simplify right side
    10,240.32x = 66,334,582.85
  5. Step 5: Solve for x
    x = 66,334,582.85/10,240.32
  6. Step 6: Final answer
    x = 6,477.78

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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.