Home / 11,862.24-17,796.52-9,877.12

Finding the Fourth Proportional to 11,862.24, 17,796.52 and 9,877.12

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Solution

The fourth proportional to 11,862.24, 17,796.52 and 9,877.12 is: 14,818.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862.24 : 17,796.52 = 9,877.12 : x
  2. Step 2: Convert to fraction form
    11,862.24/17,796.52 = 9,877.12/x
  3. Step 3: Cross multiply
    11,862.24x = 17,796.52 × 9,877.12
  4. Step 4: Simplify right side
    11,862.24x = 175,778,363.62
  5. Step 5: Solve for x
    x = 175,778,363.62/11,862.24
  6. Step 6: Final answer
    x = 14,818.31

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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.