Home / 15,191.07-22,801.20-7,405.35

Finding the Fourth Proportional to 15,191.07, 22,801.20 and 7,405.35

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Solution

The fourth proportional to 15,191.07, 22,801.20 and 7,405.35 is: 11,115.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,191.07 : 22,801.20 = 7,405.35 : x
  2. Step 2: Convert to fraction form
    15,191.07/22,801.20 = 7,405.35/x
  3. Step 3: Cross multiply
    15,191.07x = 22,801.20 × 7,405.35
  4. Step 4: Simplify right side
    15,191.07x = 168,850,866.42
  5. Step 5: Solve for x
    x = 168,850,866.42/15,191.07
  6. Step 6: Final answer
    x = 11,115.14

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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.