Home / 18,017.68-27,026.52-4,870.39

Finding the Fourth Proportional to 18,017.68, 27,026.52 and 4,870.39

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Solution

The fourth proportional to 18,017.68, 27,026.52 and 4,870.39 is: 7,305.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,017.68 : 27,026.52 = 4,870.39 : x
  2. Step 2: Convert to fraction form
    18,017.68/27,026.52 = 4,870.39/x
  3. Step 3: Cross multiply
    18,017.68x = 27,026.52 × 4,870.39
  4. Step 4: Simplify right side
    18,017.68x = 131,629,692.74
  5. Step 5: Solve for x
    x = 131,629,692.74/18,017.68
  6. Step 6: Final answer
    x = 7,305.59

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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.