Home / 15,261.15-21,061.43-8,546.59

Finding the Fourth Proportional to 15,261.15, 21,061.43 and 8,546.59

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Solution

The fourth proportional to 15,261.15, 21,061.43 and 8,546.59 is: 11,794.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,261.15 : 21,061.43 = 8,546.59 : x
  2. Step 2: Convert to fraction form
    15,261.15/21,061.43 = 8,546.59/x
  3. Step 3: Cross multiply
    15,261.15x = 21,061.43 × 8,546.59
  4. Step 4: Simplify right side
    15,261.15x = 180,003,407.02
  5. Step 5: Solve for x
    x = 180,003,407.02/15,261.15
  6. Step 6: Final answer
    x = 11,794.88

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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.