Home / 13,065.66-19,600.50-4,298.52

Finding the Fourth Proportional to 13,065.66, 19,600.50 and 4,298.52

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Solution

The fourth proportional to 13,065.66, 19,600.50 and 4,298.52 is: 6,448.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,065.66 : 19,600.50 = 4,298.52 : x
  2. Step 2: Convert to fraction form
    13,065.66/19,600.50 = 4,298.52/x
  3. Step 3: Cross multiply
    13,065.66x = 19,600.50 × 4,298.52
  4. Step 4: Simplify right side
    13,065.66x = 84,253,141.26
  5. Step 5: Solve for x
    x = 84,253,141.26/13,065.66
  6. Step 6: Final answer
    x = 6,448.44

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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.