Home / 15,352.69-23,034.48-8,784.40

Finding the Fourth Proportional to 15,352.69, 23,034.48 and 8,784.40

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Solution

The fourth proportional to 15,352.69, 23,034.48 and 8,784.40 is: 13,179.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,352.69 : 23,034.48 = 8,784.40 : x
  2. Step 2: Convert to fraction form
    15,352.69/23,034.48 = 8,784.40/x
  3. Step 3: Cross multiply
    15,352.69x = 23,034.48 × 8,784.40
  4. Step 4: Simplify right side
    15,352.69x = 202,344,086.11
  5. Step 5: Solve for x
    x = 202,344,086.11/15,352.69
  6. Step 6: Final answer
    x = 13,179.72

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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.