Home / 13,379.04-20,071.17-4,494.15

Finding the Fourth Proportional to 13,379.04, 20,071.17 and 4,494.15

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Solution

The fourth proportional to 13,379.04, 20,071.17 and 4,494.15 is: 6,742.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,379.04 : 20,071.17 = 4,494.15 : x
  2. Step 2: Convert to fraction form
    13,379.04/20,071.17 = 4,494.15/x
  3. Step 3: Cross multiply
    13,379.04x = 20,071.17 × 4,494.15
  4. Step 4: Simplify right side
    13,379.04x = 90,202,848.66
  5. Step 5: Solve for x
    x = 90,202,848.66/13,379.04
  6. Step 6: Final answer
    x = 6,742.10

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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.