Home / 13,378.32-20,063.28-5,585.52

Finding the Fourth Proportional to 13,378.32, 20,063.28 and 5,585.52

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Solution

The fourth proportional to 13,378.32, 20,063.28 and 5,585.52 is: 8,376.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,378.32 : 20,063.28 = 5,585.52 : x
  2. Step 2: Convert to fraction form
    13,378.32/20,063.28 = 5,585.52/x
  3. Step 3: Cross multiply
    13,378.32x = 20,063.28 × 5,585.52
  4. Step 4: Simplify right side
    13,378.32x = 112,063,851.71
  5. Step 5: Solve for x
    x = 112,063,851.71/13,378.32
  6. Step 6: Final answer
    x = 8,376.53

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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.