Home / 11,331.08-17,001.12-5,089.40

Finding the Fourth Proportional to 11,331.08, 17,001.12 and 5,089.40

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Solution

The fourth proportional to 11,331.08, 17,001.12 and 5,089.40 is: 7,636.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.08 : 17,001.12 = 5,089.40 : x
  2. Step 2: Convert to fraction form
    11,331.08/17,001.12 = 5,089.40/x
  3. Step 3: Cross multiply
    11,331.08x = 17,001.12 × 5,089.40
  4. Step 4: Simplify right side
    11,331.08x = 86,525,500.13
  5. Step 5: Solve for x
    x = 86,525,500.13/11,331.08
  6. Step 6: Final answer
    x = 7,636.12

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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.