Home / 21,049.08-29,047.70-11,617.62

Finding the Fourth Proportional to 21,049.08, 29,047.70 and 11,617.62

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Solution

The fourth proportional to 21,049.08, 29,047.70 and 11,617.62 is: 16,032.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,049.08 : 29,047.70 = 11,617.62 : x
  2. Step 2: Convert to fraction form
    21,049.08/29,047.70 = 11,617.62/x
  3. Step 3: Cross multiply
    21,049.08x = 29,047.70 × 11,617.62
  4. Step 4: Simplify right side
    21,049.08x = 337,465,140.47
  5. Step 5: Solve for x
    x = 337,465,140.47/21,049.08
  6. Step 6: Final answer
    x = 16,032.30

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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.