Home / 13,077.89-19,616.84-5,292.17

Finding the Fourth Proportional to 13,077.89, 19,616.84 and 5,292.17

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Solution

The fourth proportional to 13,077.89, 19,616.84 and 5,292.17 is: 7,938.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,077.89 : 19,616.84 = 5,292.17 : x
  2. Step 2: Convert to fraction form
    13,077.89/19,616.84 = 5,292.17/x
  3. Step 3: Cross multiply
    13,077.89x = 19,616.84 × 5,292.17
  4. Step 4: Simplify right side
    13,077.89x = 103,815,652.14
  5. Step 5: Solve for x
    x = 103,815,652.14/13,077.89
  6. Step 6: Final answer
    x = 7,938.26

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Similar ratio
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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.