Home / 15,909.45-23,863.95-5,377.22

Finding the Fourth Proportional to 15,909.45, 23,863.95 and 5,377.22

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Solution

The fourth proportional to 15,909.45, 23,863.95 and 5,377.22 is: 8,065.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,909.45 : 23,863.95 = 5,377.22 : x
  2. Step 2: Convert to fraction form
    15,909.45/23,863.95 = 5,377.22/x
  3. Step 3: Cross multiply
    15,909.45x = 23,863.95 × 5,377.22
  4. Step 4: Simplify right side
    15,909.45x = 128,321,709.22
  5. Step 5: Solve for x
    x = 128,321,709.22/15,909.45
  6. Step 6: Final answer
    x = 8,065.75

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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.