Home / 11,445.18-15,795.66-6,971.55

Finding the Fourth Proportional to 11,445.18, 15,795.66 and 6,971.55

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Solution

The fourth proportional to 11,445.18, 15,795.66 and 6,971.55 is: 9,621.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,445.18 : 15,795.66 = 6,971.55 : x
  2. Step 2: Convert to fraction form
    11,445.18/15,795.66 = 6,971.55/x
  3. Step 3: Cross multiply
    11,445.18x = 15,795.66 × 6,971.55
  4. Step 4: Simplify right side
    11,445.18x = 110,120,233.47
  5. Step 5: Solve for x
    x = 110,120,233.47/11,445.18
  6. Step 6: Final answer
    x = 9,621.54

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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.