Home / 15,942.48-22,001.03-8,772.58

Finding the Fourth Proportional to 15,942.48, 22,001.03 and 8,772.58

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Solution

The fourth proportional to 15,942.48, 22,001.03 and 8,772.58 is: 12,106.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,942.48 : 22,001.03 = 8,772.58 : x
  2. Step 2: Convert to fraction form
    15,942.48/22,001.03 = 8,772.58/x
  3. Step 3: Cross multiply
    15,942.48x = 22,001.03 × 8,772.58
  4. Step 4: Simplify right side
    15,942.48x = 193,005,799.76
  5. Step 5: Solve for x
    x = 193,005,799.76/15,942.48
  6. Step 6: Final answer
    x = 12,106.39

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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.