Home / 23,331.18-34,998.48-9,991.16

Finding the Fourth Proportional to 23,331.18, 34,998.48 and 9,991.16

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Solution

The fourth proportional to 23,331.18, 34,998.48 and 9,991.16 is: 14,987.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,331.18 : 34,998.48 = 9,991.16 : x
  2. Step 2: Convert to fraction form
    23,331.18/34,998.48 = 9,991.16/x
  3. Step 3: Cross multiply
    23,331.18x = 34,998.48 × 9,991.16
  4. Step 4: Simplify right side
    23,331.18x = 349,675,363.48
  5. Step 5: Solve for x
    x = 349,675,363.48/23,331.18
  6. Step 6: Final answer
    x = 14,987.47

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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.