Home / 15,412.77-23,119.14-5,281.91

Finding the Fourth Proportional to 15,412.77, 23,119.14 and 5,281.91

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Solution

The fourth proportional to 15,412.77, 23,119.14 and 5,281.91 is: 7,922.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,412.77 : 23,119.14 = 5,281.91 : x
  2. Step 2: Convert to fraction form
    15,412.77/23,119.14 = 5,281.91/x
  3. Step 3: Cross multiply
    15,412.77x = 23,119.14 × 5,281.91
  4. Step 4: Simplify right side
    15,412.77x = 122,113,101.16
  5. Step 5: Solve for x
    x = 122,113,101.16/15,412.77
  6. Step 6: Final answer
    x = 7,922.85

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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.