Home / 10,437.60-15,661.32-5,247.12

Finding the Fourth Proportional to 10,437.60, 15,661.32 and 5,247.12

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Solution

The fourth proportional to 10,437.60, 15,661.32 and 5,247.12 is: 7,873.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,437.60 : 15,661.32 = 5,247.12 : x
  2. Step 2: Convert to fraction form
    10,437.60/15,661.32 = 5,247.12/x
  3. Step 3: Cross multiply
    10,437.60x = 15,661.32 × 5,247.12
  4. Step 4: Simplify right side
    10,437.60x = 82,176,825.40
  5. Step 5: Solve for x
    x = 82,176,825.40/10,437.60
  6. Step 6: Final answer
    x = 7,873.15

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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.