Home / 13,218.39-19,826.61-4,894.53

Finding the Fourth Proportional to 13,218.39, 19,826.61 and 4,894.53

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Solution

The fourth proportional to 13,218.39, 19,826.61 and 4,894.53 is: 7,341.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,218.39 : 19,826.61 = 4,894.53 : x
  2. Step 2: Convert to fraction form
    13,218.39/19,826.61 = 4,894.53/x
  3. Step 3: Cross multiply
    13,218.39x = 19,826.61 × 4,894.53
  4. Step 4: Simplify right side
    13,218.39x = 97,041,937.44
  5. Step 5: Solve for x
    x = 97,041,937.44/13,218.39
  6. Step 6: Final answer
    x = 7,341.43

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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.