Home / 19,117.65-28,680.46-9,635.30

Finding the Fourth Proportional to 19,117.65, 28,680.46 and 9,635.30

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Solution

The fourth proportional to 19,117.65, 28,680.46 and 9,635.30 is: 14,454.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,117.65 : 28,680.46 = 9,635.30 : x
  2. Step 2: Convert to fraction form
    19,117.65/28,680.46 = 9,635.30/x
  3. Step 3: Cross multiply
    19,117.65x = 28,680.46 × 9,635.30
  4. Step 4: Simplify right side
    19,117.65x = 276,344,644.66
  5. Step 5: Solve for x
    x = 276,344,644.66/19,117.65
  6. Step 6: Final answer
    x = 14,454.95

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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.