Home / 15,944.18-22,003.89-8,870.54

Finding the Fourth Proportional to 15,944.18, 22,003.89 and 8,870.54

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Solution

The fourth proportional to 15,944.18, 22,003.89 and 8,870.54 is: 12,241.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,944.18 : 22,003.89 = 8,870.54 : x
  2. Step 2: Convert to fraction form
    15,944.18/22,003.89 = 8,870.54/x
  3. Step 3: Cross multiply
    15,944.18x = 22,003.89 × 8,870.54
  4. Step 4: Simplify right side
    15,944.18x = 195,186,386.40
  5. Step 5: Solve for x
    x = 195,186,386.40/15,944.18
  6. Step 6: Final answer
    x = 12,241.86

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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.