Home / 13,752.71-20,623.69-4,864.61

Finding the Fourth Proportional to 13,752.71, 20,623.69 and 4,864.61

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Solution

The fourth proportional to 13,752.71, 20,623.69 and 4,864.61 is: 7,295.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,752.71 : 20,623.69 = 4,864.61 : x
  2. Step 2: Convert to fraction form
    13,752.71/20,623.69 = 4,864.61/x
  3. Step 3: Cross multiply
    13,752.71x = 20,623.69 × 4,864.61
  4. Step 4: Simplify right side
    13,752.71x = 100,326,165.56
  5. Step 5: Solve for x
    x = 100,326,165.56/13,752.71
  6. Step 6: Final answer
    x = 7,295.01

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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.