Home / 14,250.40-21,377.94-4,389.68

Finding the Fourth Proportional to 14,250.40, 21,377.94 and 4,389.68

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Solution

The fourth proportional to 14,250.40, 21,377.94 and 4,389.68 is: 6,585.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,250.40 : 21,377.94 = 4,389.68 : x
  2. Step 2: Convert to fraction form
    14,250.40/21,377.94 = 4,389.68/x
  3. Step 3: Cross multiply
    14,250.40x = 21,377.94 × 4,389.68
  4. Step 4: Simplify right side
    14,250.40x = 93,842,315.66
  5. Step 5: Solve for x
    x = 93,842,315.66/14,250.40
  6. Step 6: Final answer
    x = 6,585.24

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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.