Home / 13,377.95-20,066.92-5,980.42

Finding the Fourth Proportional to 13,377.95, 20,066.92 and 5,980.42

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Solution

The fourth proportional to 13,377.95, 20,066.92 and 5,980.42 is: 8,970.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,377.95 : 20,066.92 = 5,980.42 : x
  2. Step 2: Convert to fraction form
    13,377.95/20,066.92 = 5,980.42/x
  3. Step 3: Cross multiply
    13,377.95x = 20,066.92 × 5,980.42
  4. Step 4: Simplify right side
    13,377.95x = 120,008,609.71
  5. Step 5: Solve for x
    x = 120,008,609.71/13,377.95
  6. Step 6: Final answer
    x = 8,970.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.