Home / 10,223.14-15,320.19-7,874.26

Finding the Fourth Proportional to 10,223.14, 15,320.19 and 7,874.26

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Solution

The fourth proportional to 10,223.14, 15,320.19 and 7,874.26 is: 11,800.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,223.14 : 15,320.19 = 7,874.26 : x
  2. Step 2: Convert to fraction form
    10,223.14/15,320.19 = 7,874.26/x
  3. Step 3: Cross multiply
    10,223.14x = 15,320.19 × 7,874.26
  4. Step 4: Simplify right side
    10,223.14x = 120,635,159.31
  5. Step 5: Solve for x
    x = 120,635,159.31/10,223.14
  6. Step 6: Final answer
    x = 11,800.21

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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.