Home / 10,998.52-15,177.18-6,219.25

Finding the Fourth Proportional to 10,998.52, 15,177.18 and 6,219.25

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Solution

The fourth proportional to 10,998.52, 15,177.18 and 6,219.25 is: 8,582.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,998.52 : 15,177.18 = 6,219.25 : x
  2. Step 2: Convert to fraction form
    10,998.52/15,177.18 = 6,219.25/x
  3. Step 3: Cross multiply
    10,998.52x = 15,177.18 × 6,219.25
  4. Step 4: Simplify right side
    10,998.52x = 94,390,676.72
  5. Step 5: Solve for x
    x = 94,390,676.72/10,998.52
  6. Step 6: Final answer
    x = 8,582.13

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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.