Home / 13,281.67-19,934.81-6,712.47

Finding the Fourth Proportional to 13,281.67, 19,934.81 and 6,712.47

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Solution

The fourth proportional to 13,281.67, 19,934.81 and 6,712.47 is: 10,074.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,281.67 : 19,934.81 = 6,712.47 : x
  2. Step 2: Convert to fraction form
    13,281.67/19,934.81 = 6,712.47/x
  3. Step 3: Cross multiply
    13,281.67x = 19,934.81 × 6,712.47
  4. Step 4: Simplify right side
    13,281.67x = 133,811,805.69
  5. Step 5: Solve for x
    x = 133,811,805.69/13,281.67
  6. Step 6: Final answer
    x = 10,074.92

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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.