Home / 13,589.30-20,385.98-4,823.48

Finding the Fourth Proportional to 13,589.30, 20,385.98 and 4,823.48

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Solution

The fourth proportional to 13,589.30, 20,385.98 and 4,823.48 is: 7,235.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589.30 : 20,385.98 = 4,823.48 : x
  2. Step 2: Convert to fraction form
    13,589.30/20,385.98 = 4,823.48/x
  3. Step 3: Cross multiply
    13,589.30x = 20,385.98 × 4,823.48
  4. Step 4: Simplify right side
    13,589.30x = 98,331,366.81
  5. Step 5: Solve for x
    x = 98,331,366.81/13,589.30
  6. Step 6: Final answer
    x = 7,235.94

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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.