Home / 10,201.12-15,287.28-4,355.68

Finding the Fourth Proportional to 10,201.12, 15,287.28 and 4,355.68

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Solution

The fourth proportional to 10,201.12, 15,287.28 and 4,355.68 is: 6,527.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,201.12 : 15,287.28 = 4,355.68 : x
  2. Step 2: Convert to fraction form
    10,201.12/15,287.28 = 4,355.68/x
  3. Step 3: Cross multiply
    10,201.12x = 15,287.28 × 4,355.68
  4. Step 4: Simplify right side
    10,201.12x = 66,586,499.75
  5. Step 5: Solve for x
    x = 66,586,499.75/10,201.12
  6. Step 6: Final answer
    x = 6,527.37

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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.