Home / 14,339.34-21,489.57-7,418.70

Finding the Fourth Proportional to 14,339.34, 21,489.57 and 7,418.70

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Solution

The fourth proportional to 14,339.34, 21,489.57 and 7,418.70 is: 11,117.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339.34 : 21,489.57 = 7,418.70 : x
  2. Step 2: Convert to fraction form
    14,339.34/21,489.57 = 7,418.70/x
  3. Step 3: Cross multiply
    14,339.34x = 21,489.57 × 7,418.70
  4. Step 4: Simplify right side
    14,339.34x = 159,424,672.96
  5. Step 5: Solve for x
    x = 159,424,672.96/14,339.34
  6. Step 6: Final answer
    x = 11,117.99

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.