Home / 10,586.72-15,877.54-4,345.06

Finding the Fourth Proportional to 10,586.72, 15,877.54 and 4,345.06

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Solution

The fourth proportional to 10,586.72, 15,877.54 and 4,345.06 is: 6,516.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,586.72 : 15,877.54 = 4,345.06 : x
  2. Step 2: Convert to fraction form
    10,586.72/15,877.54 = 4,345.06/x
  3. Step 3: Cross multiply
    10,586.72x = 15,877.54 × 4,345.06
  4. Step 4: Simplify right side
    10,586.72x = 68,988,863.95
  5. Step 5: Solve for x
    x = 68,988,863.95/10,586.72
  6. Step 6: Final answer
    x = 6,516.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.