Home / 10,210.19-15,316.38-3,189.02

Finding the Fourth Proportional to 10,210.19, 15,316.38 and 3,189.02

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Solution

The fourth proportional to 10,210.19, 15,316.38 and 3,189.02 is: 4,783.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,210.19 : 15,316.38 = 3,189.02 : x
  2. Step 2: Convert to fraction form
    10,210.19/15,316.38 = 3,189.02/x
  3. Step 3: Cross multiply
    10,210.19x = 15,316.38 × 3,189.02
  4. Step 4: Simplify right side
    10,210.19x = 48,844,165.57
  5. Step 5: Solve for x
    x = 48,844,165.57/10,210.19
  6. Step 6: Final answer
    x = 4,783.87

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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.