Home / 10,234.08-14,118.25-6,648.79

Finding the Fourth Proportional to 10,234.08, 14,118.25 and 6,648.79

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Solution

The fourth proportional to 10,234.08, 14,118.25 and 6,648.79 is: 9,172.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,234.08 : 14,118.25 = 6,648.79 : x
  2. Step 2: Convert to fraction form
    10,234.08/14,118.25 = 6,648.79/x
  3. Step 3: Cross multiply
    10,234.08x = 14,118.25 × 6,648.79
  4. Step 4: Simplify right side
    10,234.08x = 93,869,279.42
  5. Step 5: Solve for x
    x = 93,869,279.42/10,234.08
  6. Step 6: Final answer
    x = 9,172.22

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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.