Home / 10,213.17-15,321.06-3,640.02

Finding the Fourth Proportional to 10,213.17, 15,321.06 and 3,640.02

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Solution

The fourth proportional to 10,213.17, 15,321.06 and 3,640.02 is: 5,460.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,213.17 : 15,321.06 = 3,640.02 : x
  2. Step 2: Convert to fraction form
    10,213.17/15,321.06 = 3,640.02/x
  3. Step 3: Cross multiply
    10,213.17x = 15,321.06 × 3,640.02
  4. Step 4: Simplify right side
    10,213.17x = 55,768,964.82
  5. Step 5: Solve for x
    x = 55,768,964.82/10,213.17
  6. Step 6: Final answer
    x = 5,460.50

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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.