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Finding the Fourth Proportional to 9,111.68, 13,666.68 and 2,537.36

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Solution

The fourth proportional to 9,111.68, 13,666.68 and 2,537.36 is: 3,805.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,111.68 : 13,666.68 = 2,537.36 : x
  2. Step 2: Convert to fraction form
    9,111.68/13,666.68 = 2,537.36/x
  3. Step 3: Cross multiply
    9,111.68x = 13,666.68 × 2,537.36
  4. Step 4: Simplify right side
    9,111.68x = 34,677,287.16
  5. Step 5: Solve for x
    x = 34,677,287.16/9,111.68
  6. Step 6: Final answer
    x = 3,805.81

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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.