Home / 13,582.40-20,376.80-4,348.48

Finding the Fourth Proportional to 13,582.40, 20,376.80 and 4,348.48

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Solution

The fourth proportional to 13,582.40, 20,376.80 and 4,348.48 is: 6,523.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582.40 : 20,376.80 = 4,348.48 : x
  2. Step 2: Convert to fraction form
    13,582.40/20,376.80 = 4,348.48/x
  3. Step 3: Cross multiply
    13,582.40x = 20,376.80 × 4,348.48
  4. Step 4: Simplify right side
    13,582.40x = 88,608,107.26
  5. Step 5: Solve for x
    x = 88,608,107.26/13,582.40
  6. Step 6: Final answer
    x = 6,523.74

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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.