Home / 11,388.13-17,088.68-9,094.21

Finding the Fourth Proportional to 11,388.13, 17,088.68 and 9,094.21

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Solution

The fourth proportional to 11,388.13, 17,088.68 and 9,094.21 is: 13,646.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,388.13 : 17,088.68 = 9,094.21 : x
  2. Step 2: Convert to fraction form
    11,388.13/17,088.68 = 9,094.21/x
  3. Step 3: Cross multiply
    11,388.13x = 17,088.68 × 9,094.21
  4. Step 4: Simplify right side
    11,388.13x = 155,408,044.54
  5. Step 5: Solve for x
    x = 155,408,044.54/11,388.13
  6. Step 6: Final answer
    x = 13,646.49

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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.