Home / 10,647.06-15,956.19-8,339.22

Finding the Fourth Proportional to 10,647.06, 15,956.19 and 8,339.22

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Solution

The fourth proportional to 10,647.06, 15,956.19 and 8,339.22 is: 12,497.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647.06 : 15,956.19 = 8,339.22 : x
  2. Step 2: Convert to fraction form
    10,647.06/15,956.19 = 8,339.22/x
  3. Step 3: Cross multiply
    10,647.06x = 15,956.19 × 8,339.22
  4. Step 4: Simplify right side
    10,647.06x = 133,062,178.77
  5. Step 5: Solve for x
    x = 133,062,178.77/10,647.06
  6. Step 6: Final answer
    x = 12,497.55

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1.5x scale

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.