Home / 19,117.72-28,680.18-5,966.92

Finding the Fourth Proportional to 19,117.72, 28,680.18 and 5,966.92

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Solution

The fourth proportional to 19,117.72, 28,680.18 and 5,966.92 is: 8,951.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,117.72 : 28,680.18 = 5,966.92 : x
  2. Step 2: Convert to fraction form
    19,117.72/28,680.18 = 5,966.92/x
  3. Step 3: Cross multiply
    19,117.72x = 28,680.18 × 5,966.92
  4. Step 4: Simplify right side
    19,117.72x = 171,132,339.65
  5. Step 5: Solve for x
    x = 171,132,339.65/19,117.72
  6. Step 6: Final answer
    x = 8,951.50

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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.