Home / 13,645.11-18,839.57-10,060.50

Finding the Fourth Proportional to 13,645.11, 18,839.57 and 10,060.50

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Solution

The fourth proportional to 13,645.11, 18,839.57 and 10,060.50 is: 13,890.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,645.11 : 18,839.57 = 10,060.50 : x
  2. Step 2: Convert to fraction form
    13,645.11/18,839.57 = 10,060.50/x
  3. Step 3: Cross multiply
    13,645.11x = 18,839.57 × 10,060.50
  4. Step 4: Simplify right side
    13,645.11x = 189,535,443.68
  5. Step 5: Solve for x
    x = 189,535,443.68/13,645.11
  6. Step 6: Final answer
    x = 13,890.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.