Home / 21,184.60-29,233.74-11,753.08

Finding the Fourth Proportional to 21,184.60, 29,233.74 and 11,753.08

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Solution

The fourth proportional to 21,184.60, 29,233.74 and 11,753.08 is: 16,218.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,184.60 : 29,233.74 = 11,753.08 : x
  2. Step 2: Convert to fraction form
    21,184.60/29,233.74 = 11,753.08/x
  3. Step 3: Cross multiply
    21,184.60x = 29,233.74 × 11,753.08
  4. Step 4: Simplify right side
    21,184.60x = 343,586,484.92
  5. Step 5: Solve for x
    x = 343,586,484.92/21,184.60
  6. Step 6: Final answer
    x = 16,218.69

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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.