Home / 15,019.33-20,726.02-8,213.23

Finding the Fourth Proportional to 15,019.33, 20,726.02 and 8,213.23

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Solution

The fourth proportional to 15,019.33, 20,726.02 and 8,213.23 is: 11,333.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,019.33 : 20,726.02 = 8,213.23 : x
  2. Step 2: Convert to fraction form
    15,019.33/20,726.02 = 8,213.23/x
  3. Step 3: Cross multiply
    15,019.33x = 20,726.02 × 8,213.23
  4. Step 4: Simplify right side
    15,019.33x = 170,227,569.24
  5. Step 5: Solve for x
    x = 170,227,569.24/15,019.33
  6. Step 6: Final answer
    x = 11,333.90

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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.