Home / 12,159.39-18,241.02-4,264.14

Finding the Fourth Proportional to 12,159.39, 18,241.02 and 4,264.14

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Solution

The fourth proportional to 12,159.39, 18,241.02 and 4,264.14 is: 6,396.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,159.39 : 18,241.02 = 4,264.14 : x
  2. Step 2: Convert to fraction form
    12,159.39/18,241.02 = 4,264.14/x
  3. Step 3: Cross multiply
    12,159.39x = 18,241.02 × 4,264.14
  4. Step 4: Simplify right side
    12,159.39x = 77,782,263.02
  5. Step 5: Solve for x
    x = 77,782,263.02/12,159.39
  6. Step 6: Final answer
    x = 6,396.89

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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.