Home / 10,994.08-15,171.96-6,456.46

Finding the Fourth Proportional to 10,994.08, 15,171.96 and 6,456.46

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Solution

The fourth proportional to 10,994.08, 15,171.96 and 6,456.46 is: 8,909.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,994.08 : 15,171.96 = 6,456.46 : x
  2. Step 2: Convert to fraction form
    10,994.08/15,171.96 = 6,456.46/x
  3. Step 3: Cross multiply
    10,994.08x = 15,171.96 × 6,456.46
  4. Step 4: Simplify right side
    10,994.08x = 97,957,152.86
  5. Step 5: Solve for x
    x = 97,957,152.86/10,994.08
  6. Step 6: Final answer
    x = 8,909.99

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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.