Home / 13,376.28-20,068.38-4,612.08

Finding the Fourth Proportional to 13,376.28, 20,068.38 and 4,612.08

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Solution

The fourth proportional to 13,376.28, 20,068.38 and 4,612.08 is: 6,919.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376.28 : 20,068.38 = 4,612.08 : x
  2. Step 2: Convert to fraction form
    13,376.28/20,068.38 = 4,612.08/x
  3. Step 3: Cross multiply
    13,376.28x = 20,068.38 × 4,612.08
  4. Step 4: Simplify right side
    13,376.28x = 92,556,974.03
  5. Step 5: Solve for x
    x = 92,556,974.03/13,376.28
  6. Step 6: Final answer
    x = 6,919.49

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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.