Home / 16,877.28-25,277.04-11,686.80

Finding the Fourth Proportional to 16,877.28, 25,277.04 and 11,686.80

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Solution

The fourth proportional to 16,877.28, 25,277.04 and 11,686.80 is: 17,503.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,877.28 : 25,277.04 = 11,686.80 : x
  2. Step 2: Convert to fraction form
    16,877.28/25,277.04 = 11,686.80/x
  3. Step 3: Cross multiply
    16,877.28x = 25,277.04 × 11,686.80
  4. Step 4: Simplify right side
    16,877.28x = 295,407,711.07
  5. Step 5: Solve for x
    x = 295,407,711.07/16,877.28
  6. Step 6: Final answer
    x = 17,503.28

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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.