Home / 14,487.48-21,734.61-4,491.70

Finding the Fourth Proportional to 14,487.48, 21,734.61 and 4,491.70

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Solution

The fourth proportional to 14,487.48, 21,734.61 and 4,491.70 is: 6,738.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487.48 : 21,734.61 = 4,491.70 : x
  2. Step 2: Convert to fraction form
    14,487.48/21,734.61 = 4,491.70/x
  3. Step 3: Cross multiply
    14,487.48x = 21,734.61 × 4,491.70
  4. Step 4: Simplify right side
    14,487.48x = 97,625,347.74
  5. Step 5: Solve for x
    x = 97,625,347.74/14,487.48
  6. Step 6: Final answer
    x = 6,738.60

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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.