Home / 15,142.29-22,728.02-14,187.33

Finding the Fourth Proportional to 15,142.29, 22,728.02 and 14,187.33

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Solution

The fourth proportional to 15,142.29, 22,728.02 and 14,187.33 is: 21,294.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,142.29 : 22,728.02 = 14,187.33 : x
  2. Step 2: Convert to fraction form
    15,142.29/22,728.02 = 14,187.33/x
  3. Step 3: Cross multiply
    15,142.29x = 22,728.02 × 14,187.33
  4. Step 4: Simplify right side
    15,142.29x = 322,449,849.05
  5. Step 5: Solve for x
    x = 322,449,849.05/15,142.29
  6. Step 6: Final answer
    x = 21,294.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.