Home / 13,390.32-20,081.28-5,597.52

Finding the Fourth Proportional to 13,390.32, 20,081.28 and 5,597.52

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Solution

The fourth proportional to 13,390.32, 20,081.28 and 5,597.52 is: 8,394.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,390.32 : 20,081.28 = 5,597.52 : x
  2. Step 2: Convert to fraction form
    13,390.32/20,081.28 = 5,597.52/x
  3. Step 3: Cross multiply
    13,390.32x = 20,081.28 × 5,597.52
  4. Step 4: Simplify right side
    13,390.32x = 112,405,366.43
  5. Step 5: Solve for x
    x = 112,405,366.43/13,390.32
  6. Step 6: Final answer
    x = 8,394.52

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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.