Home / 15,982.36-22,054.80-8,909.44

Finding the Fourth Proportional to 15,982.36, 22,054.80 and 8,909.44

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Solution

The fourth proportional to 15,982.36, 22,054.80 and 8,909.44 is: 12,294.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,982.36 : 22,054.80 = 8,909.44 : x
  2. Step 2: Convert to fraction form
    15,982.36/22,054.80 = 8,909.44/x
  3. Step 3: Cross multiply
    15,982.36x = 22,054.80 × 8,909.44
  4. Step 4: Simplify right side
    15,982.36x = 196,495,917.31
  5. Step 5: Solve for x
    x = 196,495,917.31/15,982.36
  6. Step 6: Final answer
    x = 12,294.55

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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.