Home / 12,317.76-18,476.46-5,740.20

Finding the Fourth Proportional to 12,317.76, 18,476.46 and 5,740.20

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Solution

The fourth proportional to 12,317.76, 18,476.46 and 5,740.20 is: 8,610.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,317.76 : 18,476.46 = 5,740.20 : x
  2. Step 2: Convert to fraction form
    12,317.76/18,476.46 = 5,740.20/x
  3. Step 3: Cross multiply
    12,317.76x = 18,476.46 × 5,740.20
  4. Step 4: Simplify right side
    12,317.76x = 106,058,575.69
  5. Step 5: Solve for x
    x = 106,058,575.69/12,317.76
  6. Step 6: Final answer
    x = 8,610.22

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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.