Home / 10,404.75-15,607.14-4,248.75

Finding the Fourth Proportional to 10,404.75, 15,607.14 and 4,248.75

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Solution

The fourth proportional to 10,404.75, 15,607.14 and 4,248.75 is: 6,373.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,404.75 : 15,607.14 = 4,248.75 : x
  2. Step 2: Convert to fraction form
    10,404.75/15,607.14 = 4,248.75/x
  3. Step 3: Cross multiply
    10,404.75x = 15,607.14 × 4,248.75
  4. Step 4: Simplify right side
    10,404.75x = 66,310,836.08
  5. Step 5: Solve for x
    x = 66,310,836.08/10,404.75
  6. Step 6: Final answer
    x = 6,373.13

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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.