Home / 11,345.96-15,657.62-6,630.44

Finding the Fourth Proportional to 11,345.96, 15,657.62 and 6,630.44

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Solution

The fourth proportional to 11,345.96, 15,657.62 and 6,630.44 is: 9,150.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.96 : 15,657.62 = 6,630.44 : x
  2. Step 2: Convert to fraction form
    11,345.96/15,657.62 = 6,630.44/x
  3. Step 3: Cross multiply
    11,345.96x = 15,657.62 × 6,630.44
  4. Step 4: Simplify right side
    11,345.96x = 103,816,909.95
  5. Step 5: Solve for x
    x = 103,816,909.95/11,345.96
  6. Step 6: Final answer
    x = 9,150.12

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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.