Home / 14,223.20-19,632.17-8,257.55

Finding the Fourth Proportional to 14,223.20, 19,632.17 and 8,257.55

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Solution

The fourth proportional to 14,223.20, 19,632.17 and 8,257.55 is: 11,397.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,223.20 : 19,632.17 = 8,257.55 : x
  2. Step 2: Convert to fraction form
    14,223.20/19,632.17 = 8,257.55/x
  3. Step 3: Cross multiply
    14,223.20x = 19,632.17 × 8,257.55
  4. Step 4: Simplify right side
    14,223.20x = 162,113,547.87
  5. Step 5: Solve for x
    x = 162,113,547.87/14,223.20
  6. Step 6: Final answer
    x = 11,397.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.