Home / 12,402.39-18,603.51-4,504.89

Finding the Fourth Proportional to 12,402.39, 18,603.51 and 4,504.89

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Solution

The fourth proportional to 12,402.39, 18,603.51 and 4,504.89 is: 6,757.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,402.39 : 18,603.51 = 4,504.89 : x
  2. Step 2: Convert to fraction form
    12,402.39/18,603.51 = 4,504.89/x
  3. Step 3: Cross multiply
    12,402.39x = 18,603.51 × 4,504.89
  4. Step 4: Simplify right side
    12,402.39x = 83,806,766.16
  5. Step 5: Solve for x
    x = 83,806,766.16/12,402.39
  6. Step 6: Final answer
    x = 6,757.31

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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.