Home / 22,127.64-33,113.47-13,811.55

Finding the Fourth Proportional to 22,127.64, 33,113.47 and 13,811.55

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Solution

The fourth proportional to 22,127.64, 33,113.47 and 13,811.55 is: 20,668.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,127.64 : 33,113.47 = 13,811.55 : x
  2. Step 2: Convert to fraction form
    22,127.64/33,113.47 = 13,811.55/x
  3. Step 3: Cross multiply
    22,127.64x = 33,113.47 × 13,811.55
  4. Step 4: Simplify right side
    22,127.64x = 457,348,346.58
  5. Step 5: Solve for x
    x = 457,348,346.58/22,127.64
  6. Step 6: Final answer
    x = 20,668.65

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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.