Home / 18,470.68-27,706.02-14,319.16

Finding the Fourth Proportional to 18,470.68, 27,706.02 and 14,319.16

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Solution

The fourth proportional to 18,470.68, 27,706.02 and 14,319.16 is: 21,478.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,470.68 : 27,706.02 = 14,319.16 : x
  2. Step 2: Convert to fraction form
    18,470.68/27,706.02 = 14,319.16/x
  3. Step 3: Cross multiply
    18,470.68x = 27,706.02 × 14,319.16
  4. Step 4: Simplify right side
    18,470.68x = 396,726,933.34
  5. Step 5: Solve for x
    x = 396,726,933.34/18,470.68
  6. Step 6: Final answer
    x = 21,478.74

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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.