Home / 15,815.91-23,717.33-6,449.57

Finding the Fourth Proportional to 15,815.91, 23,717.33 and 6,449.57

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Solution

The fourth proportional to 15,815.91, 23,717.33 and 6,449.57 is: 9,671.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,815.91 : 23,717.33 = 6,449.57 : x
  2. Step 2: Convert to fraction form
    15,815.91/23,717.33 = 6,449.57/x
  3. Step 3: Cross multiply
    15,815.91x = 23,717.33 × 6,449.57
  4. Step 4: Simplify right side
    15,815.91x = 152,966,607.09
  5. Step 5: Solve for x
    x = 152,966,607.09/15,815.91
  6. Step 6: Final answer
    x = 9,671.69

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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.