Home / 18,219.57-25,154.62-14,870.37

Finding the Fourth Proportional to 18,219.57, 25,154.62 and 14,870.37

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Solution

The fourth proportional to 18,219.57, 25,154.62 and 14,870.37 is: 20,530.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,219.57 : 25,154.62 = 14,870.37 : x
  2. Step 2: Convert to fraction form
    18,219.57/25,154.62 = 14,870.37/x
  3. Step 3: Cross multiply
    18,219.57x = 25,154.62 × 14,870.37
  4. Step 4: Simplify right side
    18,219.57x = 374,058,506.61
  5. Step 5: Solve for x
    x = 374,058,506.61/18,219.57
  6. Step 6: Final answer
    x = 20,530.59

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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.