Home / 11,681.07-17,493.12-6,139.05

Finding the Fourth Proportional to 11,681.07, 17,493.12 and 6,139.05

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Solution

The fourth proportional to 11,681.07, 17,493.12 and 6,139.05 is: 9,193.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,681.07 : 17,493.12 = 6,139.05 : x
  2. Step 2: Convert to fraction form
    11,681.07/17,493.12 = 6,139.05/x
  3. Step 3: Cross multiply
    11,681.07x = 17,493.12 × 6,139.05
  4. Step 4: Simplify right side
    11,681.07x = 107,391,138.34
  5. Step 5: Solve for x
    x = 107,391,138.34/11,681.07
  6. Step 6: Final answer
    x = 9,193.60

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1.5x scale

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.