Home / 10,288.97-15,439.07-4,364.94

Finding the Fourth Proportional to 10,288.97, 15,439.07 and 4,364.94

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Solution

The fourth proportional to 10,288.97, 15,439.07 and 4,364.94 is: 6,549.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288.97 : 15,439.07 = 4,364.94 : x
  2. Step 2: Convert to fraction form
    10,288.97/15,439.07 = 4,364.94/x
  3. Step 3: Cross multiply
    10,288.97x = 15,439.07 × 4,364.94
  4. Step 4: Simplify right side
    10,288.97x = 67,390,614.21
  5. Step 5: Solve for x
    x = 67,390,614.21/10,288.97
  6. Step 6: Final answer
    x = 6,549.79

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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.