Home / 18,873.23-28,309.91-5,725.71

Finding the Fourth Proportional to 18,873.23, 28,309.91 and 5,725.71

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Solution

The fourth proportional to 18,873.23, 28,309.91 and 5,725.71 is: 8,588.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,873.23 : 28,309.91 = 5,725.71 : x
  2. Step 2: Convert to fraction form
    18,873.23/28,309.91 = 5,725.71/x
  3. Step 3: Cross multiply
    18,873.23x = 28,309.91 × 5,725.71
  4. Step 4: Simplify right side
    18,873.23x = 162,094,306.16
  5. Step 5: Solve for x
    x = 162,094,306.16/18,873.23
  6. Step 6: Final answer
    x = 8,588.59

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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.