Home / 15,440.22-23,191.38-9,212.40

Finding the Fourth Proportional to 15,440.22, 23,191.38 and 9,212.40

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Solution

The fourth proportional to 15,440.22, 23,191.38 and 9,212.40 is: 13,837.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,440.22 : 23,191.38 = 9,212.40 : x
  2. Step 2: Convert to fraction form
    15,440.22/23,191.38 = 9,212.40/x
  3. Step 3: Cross multiply
    15,440.22x = 23,191.38 × 9,212.40
  4. Step 4: Simplify right side
    15,440.22x = 213,648,269.11
  5. Step 5: Solve for x
    x = 213,648,269.11/15,440.22
  6. Step 6: Final answer
    x = 13,837.13

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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.