Home / 15,290.48-21,091.91-9,616.25

Finding the Fourth Proportional to 15,290.48, 21,091.91 and 9,616.25

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Solution

The fourth proportional to 15,290.48, 21,091.91 and 9,616.25 is: 13,264.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,290.48 : 21,091.91 = 9,616.25 : x
  2. Step 2: Convert to fraction form
    15,290.48/21,091.91 = 9,616.25/x
  3. Step 3: Cross multiply
    15,290.48x = 21,091.91 × 9,616.25
  4. Step 4: Simplify right side
    15,290.48x = 202,824,926.00
  5. Step 5: Solve for x
    x = 202,824,926.00/15,290.48
  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.