Home / 15,937.29-21,995.82-11,475.81

Finding the Fourth Proportional to 15,937.29, 21,995.82 and 11,475.81

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Solution

The fourth proportional to 15,937.29, 21,995.82 and 11,475.81 is: 15,838.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,937.29 : 21,995.82 = 11,475.81 : x
  2. Step 2: Convert to fraction form
    15,937.29/21,995.82 = 11,475.81/x
  3. Step 3: Cross multiply
    15,937.29x = 21,995.82 × 11,475.81
  4. Step 4: Simplify right side
    15,937.29x = 252,419,851.11
  5. Step 5: Solve for x
    x = 252,419,851.11/15,937.29
  6. Step 6: Final answer
    x = 15,838.32

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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.