Home / 18,116.93-24,989.85-13,088.54

Finding the Fourth Proportional to 18,116.93, 24,989.85 and 13,088.54

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Solution

The fourth proportional to 18,116.93, 24,989.85 and 13,088.54 is: 18,053.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116.93 : 24,989.85 = 13,088.54 : x
  2. Step 2: Convert to fraction form
    18,116.93/24,989.85 = 13,088.54/x
  3. Step 3: Cross multiply
    18,116.93x = 24,989.85 × 13,088.54
  4. Step 4: Simplify right side
    18,116.93x = 327,080,713.79
  5. Step 5: Solve for x
    x = 327,080,713.79/18,116.93
  6. Step 6: Final answer
    x = 18,053.87

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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.