Home / 15,564.28-23,335.44-7,767.60

Finding the Fourth Proportional to 15,564.28, 23,335.44 and 7,767.60

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Solution

The fourth proportional to 15,564.28, 23,335.44 and 7,767.60 is: 11,645.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,564.28 : 23,335.44 = 7,767.60 : x
  2. Step 2: Convert to fraction form
    15,564.28/23,335.44 = 7,767.60/x
  3. Step 3: Cross multiply
    15,564.28x = 23,335.44 × 7,767.60
  4. Step 4: Simplify right side
    15,564.28x = 181,260,363.74
  5. Step 5: Solve for x
    x = 181,260,363.74/15,564.28
  6. Step 6: Final answer
    x = 11,645.92

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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.