Home / 15,593.08-21,518.38-8,879.96

Finding the Fourth Proportional to 15,593.08, 21,518.38 and 8,879.96

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Solution

The fourth proportional to 15,593.08, 21,518.38 and 8,879.96 is: 12,254.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,593.08 : 21,518.38 = 8,879.96 : x
  2. Step 2: Convert to fraction form
    15,593.08/21,518.38 = 8,879.96/x
  3. Step 3: Cross multiply
    15,593.08x = 21,518.38 × 8,879.96
  4. Step 4: Simplify right side
    15,593.08x = 191,082,353.66
  5. Step 5: Solve for x
    x = 191,082,353.66/15,593.08
  6. Step 6: Final answer
    x = 12,254.30

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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.