Home / 15,354.19-23,043.62-7,960.78

Finding the Fourth Proportional to 15,354.19, 23,043.62 and 7,960.78

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Solution

The fourth proportional to 15,354.19, 23,043.62 and 7,960.78 is: 11,947.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,354.19 : 23,043.62 = 7,960.78 : x
  2. Step 2: Convert to fraction form
    15,354.19/23,043.62 = 7,960.78/x
  3. Step 3: Cross multiply
    15,354.19x = 23,043.62 × 7,960.78
  4. Step 4: Simplify right side
    15,354.19x = 183,445,189.22
  5. Step 5: Solve for x
    x = 183,445,189.22/15,354.19
  6. Step 6: Final answer
    x = 11,947.57

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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.