Home / 13,119.08-19,680.60-4,352

Finding the Fourth Proportional to 13,119.08, 19,680.60 and 4,352

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Solution

The fourth proportional to 13,119.08, 19,680.60 and 4,352 is: 6,528.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,119.08 : 19,680.60 = 4,352 : x
  2. Step 2: Convert to fraction form
    13,119.08/19,680.60 = 4,352/x
  3. Step 3: Cross multiply
    13,119.08x = 19,680.60 × 4,352
  4. Step 4: Simplify right side
    13,119.08x = 85,649,971.20
  5. Step 5: Solve for x
    x = 85,649,971.20/13,119.08
  6. Step 6: Final answer
    x = 6,528.66

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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.