Home / 21,493.08-29,663.42-12,062.25

Finding the Fourth Proportional to 21,493.08, 29,663.42 and 12,062.25

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Solution

The fourth proportional to 21,493.08, 29,663.42 and 12,062.25 is: 16,647.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,493.08 : 29,663.42 = 12,062.25 : x
  2. Step 2: Convert to fraction form
    21,493.08/29,663.42 = 12,062.25/x
  3. Step 3: Cross multiply
    21,493.08x = 29,663.42 × 12,062.25
  4. Step 4: Simplify right side
    21,493.08x = 357,807,527.58
  5. Step 5: Solve for x
    x = 357,807,527.58/21,493.08
  6. Step 6: Final answer
    x = 16,647.57

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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.