Home / 15,290.49-21,091.89-9,616.26

Finding the Fourth Proportional to 15,290.49, 21,091.89 and 9,616.26

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Solution

The fourth proportional to 15,290.49, 21,091.89 and 9,616.26 is: 13,264.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,290.49 : 21,091.89 = 9,616.26 : x
  2. Step 2: Convert to fraction form
    15,290.49/21,091.89 = 9,616.26/x
  3. Step 3: Cross multiply
    15,290.49x = 21,091.89 × 9,616.26
  4. Step 4: Simplify right side
    15,290.49x = 202,825,098.13
  5. Step 5: Solve for x
    x = 202,825,098.13/15,290.49
  6. Step 6: Final answer
    x = 13,264.79

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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.