Home / 23,666.36-35,521.42-11,987.78

Finding the Fourth Proportional to 23,666.36, 35,521.42 and 11,987.78

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Solution

The fourth proportional to 23,666.36, 35,521.42 and 11,987.78 is: 17,992.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,666.36 : 35,521.42 = 11,987.78 : x
  2. Step 2: Convert to fraction form
    23,666.36/35,521.42 = 11,987.78/x
  3. Step 3: Cross multiply
    23,666.36x = 35,521.42 × 11,987.78
  4. Step 4: Simplify right side
    23,666.36x = 425,822,968.25
  5. Step 5: Solve for x
    x = 425,822,968.25/23,666.36
  6. Step 6: Final answer
    x = 17,992.75

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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.