Home / 18,876.24-28,318.01-5,730.55

Finding the Fourth Proportional to 18,876.24, 28,318.01 and 5,730.55

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Solution

The fourth proportional to 18,876.24, 28,318.01 and 5,730.55 is: 8,596.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,876.24 : 28,318.01 = 5,730.55 : x
  2. Step 2: Convert to fraction form
    18,876.24/28,318.01 = 5,730.55/x
  3. Step 3: Cross multiply
    18,876.24x = 28,318.01 × 5,730.55
  4. Step 4: Simplify right side
    18,876.24x = 162,277,672.76
  5. Step 5: Solve for x
    x = 162,277,672.76/18,876.24
  6. Step 6: Final answer
    x = 8,596.93

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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.