Home / 13,380.30-20,069.82-6,355.17

Finding the Fourth Proportional to 13,380.30, 20,069.82 and 6,355.17

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Solution

The fourth proportional to 13,380.30, 20,069.82 and 6,355.17 is: 9,532.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,380.30 : 20,069.82 = 6,355.17 : x
  2. Step 2: Convert to fraction form
    13,380.30/20,069.82 = 6,355.17/x
  3. Step 3: Cross multiply
    13,380.30x = 20,069.82 × 6,355.17
  4. Step 4: Simplify right side
    13,380.30x = 127,547,117.97
  5. Step 5: Solve for x
    x = 127,547,117.97/13,380.30
  6. Step 6: Final answer
    x = 9,532.46

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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.