Home / 12,535.39-18,803.07-3,770.29

Finding the Fourth Proportional to 12,535.39, 18,803.07 and 3,770.29

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Solution

The fourth proportional to 12,535.39, 18,803.07 and 3,770.29 is: 5,655.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,535.39 : 18,803.07 = 3,770.29 : x
  2. Step 2: Convert to fraction form
    12,535.39/18,803.07 = 3,770.29/x
  3. Step 3: Cross multiply
    12,535.39x = 18,803.07 × 3,770.29
  4. Step 4: Simplify right side
    12,535.39x = 70,893,026.79
  5. Step 5: Solve for x
    x = 70,893,026.79/12,535.39
  6. Step 6: Final answer
    x = 5,655.43

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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.