Home / 19,012.39-28,522.94-9,159.95

Finding the Fourth Proportional to 19,012.39, 28,522.94 and 9,159.95

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Solution

The fourth proportional to 19,012.39, 28,522.94 and 9,159.95 is: 13,742.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,012.39 : 28,522.94 = 9,159.95 : x
  2. Step 2: Convert to fraction form
    19,012.39/28,522.94 = 9,159.95/x
  3. Step 3: Cross multiply
    19,012.39x = 28,522.94 × 9,159.95
  4. Step 4: Simplify right side
    19,012.39x = 261,268,729.76
  5. Step 5: Solve for x
    x = 261,268,729.76/19,012.39
  6. Step 6: Final answer
    x = 13,742.03

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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.