Home / 15,440.70-23,164.89-7,126.51

Finding the Fourth Proportional to 15,440.70, 23,164.89 and 7,126.51

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Solution

The fourth proportional to 15,440.70, 23,164.89 and 7,126.51 is: 10,691.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,440.70 : 23,164.89 = 7,126.51 : x
  2. Step 2: Convert to fraction form
    15,440.70/23,164.89 = 7,126.51/x
  3. Step 3: Cross multiply
    15,440.70x = 23,164.89 × 7,126.51
  4. Step 4: Simplify right side
    15,440.70x = 165,084,820.23
  5. Step 5: Solve for x
    x = 165,084,820.23/15,440.70
  6. Step 6: Final answer
    x = 10,691.54

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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.