Home / 13,979.40-20,972.18-6,083.16

Finding the Fourth Proportional to 13,979.40, 20,972.18 and 6,083.16

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Solution

The fourth proportional to 13,979.40, 20,972.18 and 6,083.16 is: 9,126.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,979.40 : 20,972.18 = 6,083.16 : x
  2. Step 2: Convert to fraction form
    13,979.40/20,972.18 = 6,083.16/x
  3. Step 3: Cross multiply
    13,979.40x = 20,972.18 × 6,083.16
  4. Step 4: Simplify right side
    13,979.40x = 127,577,126.49
  5. Step 5: Solve for x
    x = 127,577,126.49/13,979.40
  6. Step 6: Final answer
    x = 9,126.08

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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.