Home / 18,438.03-25,443.72-10,054.53

Finding the Fourth Proportional to 18,438.03, 25,443.72 and 10,054.53

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Solution

The fourth proportional to 18,438.03, 25,443.72 and 10,054.53 is: 13,874.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,438.03 : 25,443.72 = 10,054.53 : x
  2. Step 2: Convert to fraction form
    18,438.03/25,443.72 = 10,054.53/x
  3. Step 3: Cross multiply
    18,438.03x = 25,443.72 × 10,054.53
  4. Step 4: Simplify right side
    18,438.03x = 255,824,646.05
  5. Step 5: Solve for x
    x = 255,824,646.05/18,438.03
  6. Step 6: Final answer
    x = 13,874.84

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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.