Home / 15,009.60-22,512.36-3,917.16

Finding the Fourth Proportional to 15,009.60, 22,512.36 and 3,917.16

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Solution

The fourth proportional to 15,009.60, 22,512.36 and 3,917.16 is: 5,875.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,009.60 : 22,512.36 = 3,917.16 : x
  2. Step 2: Convert to fraction form
    15,009.60/22,512.36 = 3,917.16/x
  3. Step 3: Cross multiply
    15,009.60x = 22,512.36 × 3,917.16
  4. Step 4: Simplify right side
    15,009.60x = 88,184,516.10
  5. Step 5: Solve for x
    x = 88,184,516.10/15,009.60
  6. Step 6: Final answer
    x = 5,875.21

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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.