Home / 16,176.39-22,177.83-15,881.15

Finding the Fourth Proportional to 16,176.39, 22,177.83 and 15,881.15

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Solution

The fourth proportional to 16,176.39, 22,177.83 and 15,881.15 is: 21,773.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,176.39 : 22,177.83 = 15,881.15 : x
  2. Step 2: Convert to fraction form
    16,176.39/22,177.83 = 15,881.15/x
  3. Step 3: Cross multiply
    16,176.39x = 22,177.83 × 15,881.15
  4. Step 4: Simplify right side
    16,176.39x = 352,209,334.02
  5. Step 5: Solve for x
    x = 352,209,334.02/16,176.39
  6. Step 6: Final answer
    x = 21,773.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.