Home / 23,315.87-32,174.34-13,755.26

Finding the Fourth Proportional to 23,315.87, 32,174.34 and 13,755.26

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Solution

The fourth proportional to 23,315.87, 32,174.34 and 13,755.26 is: 18,981.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,315.87 : 32,174.34 = 13,755.26 : x
  2. Step 2: Convert to fraction form
    23,315.87/32,174.34 = 13,755.26/x
  3. Step 3: Cross multiply
    23,315.87x = 32,174.34 × 13,755.26
  4. Step 4: Simplify right side
    23,315.87x = 442,566,412.03
  5. Step 5: Solve for x
    x = 442,566,412.03/23,315.87
  6. Step 6: Final answer
    x = 18,981.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.