Home / 10,287.32-15,427.92-4,364.12

Finding the Fourth Proportional to 10,287.32, 15,427.92 and 4,364.12

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Solution

The fourth proportional to 10,287.32, 15,427.92 and 4,364.12 is: 6,544.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,287.32 : 15,427.92 = 4,364.12 : x
  2. Step 2: Convert to fraction form
    10,287.32/15,427.92 = 4,364.12/x
  3. Step 3: Cross multiply
    10,287.32x = 15,427.92 × 4,364.12
  4. Step 4: Simplify right side
    10,287.32x = 67,329,294.23
  5. Step 5: Solve for x
    x = 67,329,294.23/10,287.32
  6. Step 6: Final answer
    x = 6,544.88

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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.