Home / 13,363.91-20,040.02-6,345.93

Finding the Fourth Proportional to 13,363.91, 20,040.02 and 6,345.93

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Solution

The fourth proportional to 13,363.91, 20,040.02 and 6,345.93 is: 9,516.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.91 : 20,040.02 = 6,345.93 : x
  2. Step 2: Convert to fraction form
    13,363.91/20,040.02 = 6,345.93/x
  3. Step 3: Cross multiply
    13,363.91x = 20,040.02 × 6,345.93
  4. Step 4: Simplify right side
    13,363.91x = 127,172,532.39
  5. Step 5: Solve for x
    x = 127,172,532.39/13,363.91
  6. Step 6: Final answer
    x = 9,516.12

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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.