Home / 15,404.10-21,247.87-10,099.26

Finding the Fourth Proportional to 15,404.10, 21,247.87 and 10,099.26

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Solution

The fourth proportional to 15,404.10, 21,247.87 and 10,099.26 is: 13,930.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,404.10 : 21,247.87 = 10,099.26 : x
  2. Step 2: Convert to fraction form
    15,404.10/21,247.87 = 10,099.26/x
  3. Step 3: Cross multiply
    15,404.10x = 21,247.87 × 10,099.26
  4. Step 4: Simplify right side
    15,404.10x = 214,587,763.58
  5. Step 5: Solve for x
    x = 214,587,763.58/15,404.10
  6. Step 6: Final answer
    x = 13,930.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.