Home / 13,972.25-20,958.39-4,612.79

Finding the Fourth Proportional to 13,972.25, 20,958.39 and 4,612.79

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Solution

The fourth proportional to 13,972.25, 20,958.39 and 4,612.79 is: 6,919.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.25 : 20,958.39 = 4,612.79 : x
  2. Step 2: Convert to fraction form
    13,972.25/20,958.39 = 4,612.79/x
  3. Step 3: Cross multiply
    13,972.25x = 20,958.39 × 4,612.79
  4. Step 4: Simplify right side
    13,972.25x = 96,676,547.02
  5. Step 5: Solve for x
    x = 96,676,547.02/13,972.25
  6. Step 6: Final answer
    x = 6,919.18

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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.