Home / 19,724.17-27,222.87-11,657.49

Finding the Fourth Proportional to 19,724.17, 27,222.87 and 11,657.49

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Solution

The fourth proportional to 19,724.17, 27,222.87 and 11,657.49 is: 16,089.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,724.17 : 27,222.87 = 11,657.49 : x
  2. Step 2: Convert to fraction form
    19,724.17/27,222.87 = 11,657.49/x
  3. Step 3: Cross multiply
    19,724.17x = 27,222.87 × 11,657.49
  4. Step 4: Simplify right side
    19,724.17x = 317,350,334.80
  5. Step 5: Solve for x
    x = 317,350,334.80/19,724.17
  6. Step 6: Final answer
    x = 16,089.41

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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.