Home / 11,870.07-17,805.14-4,472.53

Finding the Fourth Proportional to 11,870.07, 17,805.14 and 4,472.53

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Solution

The fourth proportional to 11,870.07, 17,805.14 and 4,472.53 is: 6,708.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,870.07 : 17,805.14 = 4,472.53 : x
  2. Step 2: Convert to fraction form
    11,870.07/17,805.14 = 4,472.53/x
  3. Step 3: Cross multiply
    11,870.07x = 17,805.14 × 4,472.53
  4. Step 4: Simplify right side
    11,870.07x = 79,634,022.80
  5. Step 5: Solve for x
    x = 79,634,022.80/11,870.07
  6. Step 6: Final answer
    x = 6,708.81

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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.