Home / 15,112.67-20,841.53-9,445.61

Finding the Fourth Proportional to 15,112.67, 20,841.53 and 9,445.61

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Solution

The fourth proportional to 15,112.67, 20,841.53 and 9,445.61 is: 13,026.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,112.67 : 20,841.53 = 9,445.61 : x
  2. Step 2: Convert to fraction form
    15,112.67/20,841.53 = 9,445.61/x
  3. Step 3: Cross multiply
    15,112.67x = 20,841.53 × 9,445.61
  4. Step 4: Simplify right side
    15,112.67x = 196,860,969.06
  5. Step 5: Solve for x
    x = 196,860,969.06/15,112.67
  6. Step 6: Final answer
    x = 13,026.22

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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.