Home / 15,261.97-21,060.94-8,547.27

Finding the Fourth Proportional to 15,261.97, 21,060.94 and 8,547.27

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Solution

The fourth proportional to 15,261.97, 21,060.94 and 8,547.27 is: 11,794.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,261.97 : 21,060.94 = 8,547.27 : x
  2. Step 2: Convert to fraction form
    15,261.97/21,060.94 = 8,547.27/x
  3. Step 3: Cross multiply
    15,261.97x = 21,060.94 × 8,547.27
  4. Step 4: Simplify right side
    15,261.97x = 180,013,540.63
  5. Step 5: Solve for x
    x = 180,013,540.63/15,261.97
  6. Step 6: Final answer
    x = 11,794.91

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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.