Home / 14,712.15-22,068.23-3,619.05

Finding the Fourth Proportional to 14,712.15, 22,068.23 and 3,619.05

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Solution

The fourth proportional to 14,712.15, 22,068.23 and 3,619.05 is: 5,428.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,712.15 : 22,068.23 = 3,619.05 : x
  2. Step 2: Convert to fraction form
    14,712.15/22,068.23 = 3,619.05/x
  3. Step 3: Cross multiply
    14,712.15x = 22,068.23 × 3,619.05
  4. Step 4: Simplify right side
    14,712.15x = 79,865,947.29
  5. Step 5: Solve for x
    x = 79,865,947.29/14,712.15
  6. Step 6: Final answer
    x = 5,428.57

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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.