Home / 15,960.62-22,025.26-8,886.89

Finding the Fourth Proportional to 15,960.62, 22,025.26 and 8,886.89

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Solution

The fourth proportional to 15,960.62, 22,025.26 and 8,886.89 is: 12,263.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,960.62 : 22,025.26 = 8,886.89 : x
  2. Step 2: Convert to fraction form
    15,960.62/22,025.26 = 8,886.89/x
  3. Step 3: Cross multiply
    15,960.62x = 22,025.26 × 8,886.89
  4. Step 4: Simplify right side
    15,960.62x = 195,736,062.84
  5. Step 5: Solve for x
    x = 195,736,062.84/15,960.62
  6. Step 6: Final answer
    x = 12,263.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.