Home / 15,223.52-21,008.84-8,510.27

Finding the Fourth Proportional to 15,223.52, 21,008.84 and 8,510.27

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Solution

The fourth proportional to 15,223.52, 21,008.84 and 8,510.27 is: 11,744.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,223.52 : 21,008.84 = 8,510.27 : x
  2. Step 2: Convert to fraction form
    15,223.52/21,008.84 = 8,510.27/x
  3. Step 3: Cross multiply
    15,223.52x = 21,008.84 × 8,510.27
  4. Step 4: Simplify right side
    15,223.52x = 178,790,753.19
  5. Step 5: Solve for x
    x = 178,790,753.19/15,223.52
  6. Step 6: Final answer
    x = 11,744.38

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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.