Home / 14,587.62-20,126.23-8,621.29

Finding the Fourth Proportional to 14,587.62, 20,126.23 and 8,621.29

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Solution

The fourth proportional to 14,587.62, 20,126.23 and 8,621.29 is: 11,894.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,587.62 : 20,126.23 = 8,621.29 : x
  2. Step 2: Convert to fraction form
    14,587.62/20,126.23 = 8,621.29/x
  3. Step 3: Cross multiply
    14,587.62x = 20,126.23 × 8,621.29
  4. Step 4: Simplify right side
    14,587.62x = 173,514,065.44
  5. Step 5: Solve for x
    x = 173,514,065.44/14,587.62
  6. Step 6: Final answer
    x = 11,894.61

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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.