Home / 10,155.23-15,236.10-4,889.54

Finding the Fourth Proportional to 10,155.23, 15,236.10 and 4,889.54

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Solution

The fourth proportional to 10,155.23, 15,236.10 and 4,889.54 is: 7,335.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,155.23 : 15,236.10 = 4,889.54 : x
  2. Step 2: Convert to fraction form
    10,155.23/15,236.10 = 4,889.54/x
  3. Step 3: Cross multiply
    10,155.23x = 15,236.10 × 4,889.54
  4. Step 4: Simplify right side
    10,155.23x = 74,497,558.48
  5. Step 5: Solve for x
    x = 74,497,558.48/10,155.23
  6. Step 6: Final answer
    x = 7,335.88

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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.