Home / 10,316.15-15,480.37-3,742.85

Finding the Fourth Proportional to 10,316.15, 15,480.37 and 3,742.85

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Solution

The fourth proportional to 10,316.15, 15,480.37 and 3,742.85 is: 5,616.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,316.15 : 15,480.37 = 3,742.85 : x
  2. Step 2: Convert to fraction form
    10,316.15/15,480.37 = 3,742.85/x
  3. Step 3: Cross multiply
    10,316.15x = 15,480.37 × 3,742.85
  4. Step 4: Simplify right side
    10,316.15x = 57,940,640.02
  5. Step 5: Solve for x
    x = 57,940,640.02/10,316.15
  6. Step 6: Final answer
    x = 5,616.50

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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.