Home / 15,976.83-22,047.08-9,261.93

Finding the Fourth Proportional to 15,976.83, 22,047.08 and 9,261.93

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Solution

The fourth proportional to 15,976.83, 22,047.08 and 9,261.93 is: 12,780.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,976.83 : 22,047.08 = 9,261.93 : x
  2. Step 2: Convert to fraction form
    15,976.83/22,047.08 = 9,261.93/x
  3. Step 3: Cross multiply
    15,976.83x = 22,047.08 × 9,261.93
  4. Step 4: Simplify right side
    15,976.83x = 204,198,465.35
  5. Step 5: Solve for x
    x = 204,198,465.35/15,976.83
  6. Step 6: Final answer
    x = 12,780.91

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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.