Home / 10,210.76-15,317.13-3,971.27

Finding the Fourth Proportional to 10,210.76, 15,317.13 and 3,971.27

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Solution

The fourth proportional to 10,210.76, 15,317.13 and 3,971.27 is: 5,957.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,210.76 : 15,317.13 = 3,971.27 : x
  2. Step 2: Convert to fraction form
    10,210.76/15,317.13 = 3,971.27/x
  3. Step 3: Cross multiply
    10,210.76x = 15,317.13 × 3,971.27
  4. Step 4: Simplify right side
    10,210.76x = 60,828,458.86
  5. Step 5: Solve for x
    x = 60,828,458.86/10,210.76
  6. Step 6: Final answer
    x = 5,957.29

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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.