Home / 15,440.10-23,142.27-7,102.62

Finding the Fourth Proportional to 15,440.10, 23,142.27 and 7,102.62

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Solution

The fourth proportional to 15,440.10, 23,142.27 and 7,102.62 is: 10,645.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,440.10 : 23,142.27 = 7,102.62 : x
  2. Step 2: Convert to fraction form
    15,440.10/23,142.27 = 7,102.62/x
  3. Step 3: Cross multiply
    15,440.10x = 23,142.27 × 7,102.62
  4. Step 4: Simplify right side
    15,440.10x = 164,370,749.75
  5. Step 5: Solve for x
    x = 164,370,749.75/15,440.10
  6. Step 6: Final answer
    x = 10,645.70

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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.