Home / 10,288.89-15,437.12-4,367.07

Finding the Fourth Proportional to 10,288.89, 15,437.12 and 4,367.07

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Solution

The fourth proportional to 10,288.89, 15,437.12 and 4,367.07 is: 6,552.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288.89 : 15,437.12 = 4,367.07 : x
  2. Step 2: Convert to fraction form
    10,288.89/15,437.12 = 4,367.07/x
  3. Step 3: Cross multiply
    10,288.89x = 15,437.12 × 4,367.07
  4. Step 4: Simplify right side
    10,288.89x = 67,414,961.80
  5. Step 5: Solve for x
    x = 67,414,961.80/10,288.89
  6. Step 6: Final answer
    x = 6,552.21

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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.