Home / 18,724.12-28,088.02-4,873.12

Finding the Fourth Proportional to 18,724.12, 28,088.02 and 4,873.12

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Solution

The fourth proportional to 18,724.12, 28,088.02 and 4,873.12 is: 7,310.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724.12 : 28,088.02 = 4,873.12 : x
  2. Step 2: Convert to fraction form
    18,724.12/28,088.02 = 4,873.12/x
  3. Step 3: Cross multiply
    18,724.12x = 28,088.02 × 4,873.12
  4. Step 4: Simplify right side
    18,724.12x = 136,876,292.02
  5. Step 5: Solve for x
    x = 136,876,292.02/18,724.12
  6. Step 6: Final answer
    x = 7,310.16

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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.