Home / 15,963.74-22,029.93-8,891.83

Finding the Fourth Proportional to 15,963.74, 22,029.93 and 8,891.83

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Solution

The fourth proportional to 15,963.74, 22,029.93 and 8,891.83 is: 12,270.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,963.74 : 22,029.93 = 8,891.83 : x
  2. Step 2: Convert to fraction form
    15,963.74/22,029.93 = 8,891.83/x
  3. Step 3: Cross multiply
    15,963.74x = 22,029.93 × 8,891.83
  4. Step 4: Simplify right side
    15,963.74x = 195,886,337.40
  5. Step 5: Solve for x
    x = 195,886,337.40/15,963.74
  6. Step 6: Final answer
    x = 12,270.71

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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.