Home / 21,508.08-32,237.28-8,349.29

Finding the Fourth Proportional to 21,508.08, 32,237.28 and 8,349.29

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Solution

The fourth proportional to 21,508.08, 32,237.28 and 8,349.29 is: 12,514.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,508.08 : 32,237.28 = 8,349.29 : x
  2. Step 2: Convert to fraction form
    21,508.08/32,237.28 = 8,349.29/x
  3. Step 3: Cross multiply
    21,508.08x = 32,237.28 × 8,349.29
  4. Step 4: Simplify right side
    21,508.08x = 269,158,480.12
  5. Step 5: Solve for x
    x = 269,158,480.12/21,508.08
  6. Step 6: Final answer
    x = 12,514.30

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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.