Home / 18,854.73-28,282.50-5,707.08

Finding the Fourth Proportional to 18,854.73, 28,282.50 and 5,707.08

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Solution

The fourth proportional to 18,854.73, 28,282.50 and 5,707.08 is: 8,560.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,854.73 : 28,282.50 = 5,707.08 : x
  2. Step 2: Convert to fraction form
    18,854.73/28,282.50 = 5,707.08/x
  3. Step 3: Cross multiply
    18,854.73x = 28,282.50 × 5,707.08
  4. Step 4: Simplify right side
    18,854.73x = 161,410,490.10
  5. Step 5: Solve for x
    x = 161,410,490.10/18,854.73
  6. Step 6: Final answer
    x = 8,560.74

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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.