Home / 15,982.49-22,065.30-14,209.20

Finding the Fourth Proportional to 15,982.49, 22,065.30 and 14,209.20

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Solution

The fourth proportional to 15,982.49, 22,065.30 and 14,209.20 is: 19,617.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,982.49 : 22,065.30 = 14,209.20 : x
  2. Step 2: Convert to fraction form
    15,982.49/22,065.30 = 14,209.20/x
  3. Step 3: Cross multiply
    15,982.49x = 22,065.30 × 14,209.20
  4. Step 4: Simplify right side
    15,982.49x = 313,530,260.76
  5. Step 5: Solve for x
    x = 313,530,260.76/15,982.49
  6. Step 6: Final answer
    x = 19,617.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.