Home / 12,895.39-19,344.48-5,500.63

Finding the Fourth Proportional to 12,895.39, 19,344.48 and 5,500.63

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Solution

The fourth proportional to 12,895.39, 19,344.48 and 5,500.63 is: 8,251.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,895.39 : 19,344.48 = 5,500.63 : x
  2. Step 2: Convert to fraction form
    12,895.39/19,344.48 = 5,500.63/x
  3. Step 3: Cross multiply
    12,895.39x = 19,344.48 × 5,500.63
  4. Step 4: Simplify right side
    12,895.39x = 106,406,827.02
  5. Step 5: Solve for x
    x = 106,406,827.02/12,895.39
  6. Step 6: Final answer
    x = 8,251.54

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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.