Home / 11,681.39-17,526.60-4,290.95

Finding the Fourth Proportional to 11,681.39, 17,526.60 and 4,290.95

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Solution

The fourth proportional to 11,681.39, 17,526.60 and 4,290.95 is: 6,438.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,681.39 : 17,526.60 = 4,290.95 : x
  2. Step 2: Convert to fraction form
    11,681.39/17,526.60 = 4,290.95/x
  3. Step 3: Cross multiply
    11,681.39x = 17,526.60 × 4,290.95
  4. Step 4: Simplify right side
    11,681.39x = 75,205,764.27
  5. Step 5: Solve for x
    x = 75,205,764.27/11,681.39
  6. Step 6: Final answer
    x = 6,438.08

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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.