Home / 11,656.34-16,085.55-6,351.20

Finding the Fourth Proportional to 11,656.34, 16,085.55 and 6,351.20

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Solution

The fourth proportional to 11,656.34, 16,085.55 and 6,351.20 is: 8,764.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,656.34 : 16,085.55 = 6,351.20 : x
  2. Step 2: Convert to fraction form
    11,656.34/16,085.55 = 6,351.20/x
  3. Step 3: Cross multiply
    11,656.34x = 16,085.55 × 6,351.20
  4. Step 4: Simplify right side
    11,656.34x = 102,162,545.16
  5. Step 5: Solve for x
    x = 102,162,545.16/11,656.34
  6. Step 6: Final answer
    x = 8,764.55

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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.