Home / 14,299.60-21,445.98-4,939.95

Finding the Fourth Proportional to 14,299.60, 21,445.98 and 4,939.95

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Solution

The fourth proportional to 14,299.60, 21,445.98 and 4,939.95 is: 7,408.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,299.60 : 21,445.98 = 4,939.95 : x
  2. Step 2: Convert to fraction form
    14,299.60/21,445.98 = 4,939.95/x
  3. Step 3: Cross multiply
    14,299.60x = 21,445.98 × 4,939.95
  4. Step 4: Simplify right side
    14,299.60x = 105,942,068.90
  5. Step 5: Solve for x
    x = 105,942,068.90/14,299.60
  6. Step 6: Final answer
    x = 7,408.74

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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.