Home / 11,546.78-15,925.50-8,360.56

Finding the Fourth Proportional to 11,546.78, 15,925.50 and 8,360.56

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Solution

The fourth proportional to 11,546.78, 15,925.50 and 8,360.56 is: 11,531.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,546.78 : 15,925.50 = 8,360.56 : x
  2. Step 2: Convert to fraction form
    11,546.78/15,925.50 = 8,360.56/x
  3. Step 3: Cross multiply
    11,546.78x = 15,925.50 × 8,360.56
  4. Step 4: Simplify right side
    11,546.78x = 133,146,058.47
  5. Step 5: Solve for x
    x = 133,146,058.47/11,546.78
  6. Step 6: Final answer
    x = 11,531.01

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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.