Home / 13,312.06-19,972.25-3,952.12

Finding the Fourth Proportional to 13,312.06, 19,972.25 and 3,952.12

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Solution

The fourth proportional to 13,312.06, 19,972.25 and 3,952.12 is: 5,929.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312.06 : 19,972.25 = 3,952.12 : x
  2. Step 2: Convert to fraction form
    13,312.06/19,972.25 = 3,952.12/x
  3. Step 3: Cross multiply
    13,312.06x = 19,972.25 × 3,952.12
  4. Step 4: Simplify right side
    13,312.06x = 78,932,708.91
  5. Step 5: Solve for x
    x = 78,932,708.91/13,312.06
  6. Step 6: Final answer
    x = 5,929.41

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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.