Home / 10,143.56-15,215.37-3,566.18

Finding the Fourth Proportional to 10,143.56, 15,215.37 and 3,566.18

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Solution

The fourth proportional to 10,143.56, 15,215.37 and 3,566.18 is: 5,349.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,143.56 : 15,215.37 = 3,566.18 : x
  2. Step 2: Convert to fraction form
    10,143.56/15,215.37 = 3,566.18/x
  3. Step 3: Cross multiply
    10,143.56x = 15,215.37 × 3,566.18
  4. Step 4: Simplify right side
    10,143.56x = 54,260,748.19
  5. Step 5: Solve for x
    x = 54,260,748.19/10,143.56
  6. Step 6: Final answer
    x = 5,349.28

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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.