Home / 18,199.30-25,101.58-12,535.84

Finding the Fourth Proportional to 18,199.30, 25,101.58 and 12,535.84

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Solution

The fourth proportional to 18,199.30, 25,101.58 and 12,535.84 is: 17,290.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,199.30 : 25,101.58 = 12,535.84 : x
  2. Step 2: Convert to fraction form
    18,199.30/25,101.58 = 12,535.84/x
  3. Step 3: Cross multiply
    18,199.30x = 25,101.58 × 12,535.84
  4. Step 4: Simplify right side
    18,199.30x = 314,669,390.63
  5. Step 5: Solve for x
    x = 314,669,390.63/18,199.30
  6. Step 6: Final answer
    x = 17,290.19

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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.