Home / 13,301.27-19,995.65-12,338.99

Finding the Fourth Proportional to 13,301.27, 19,995.65 and 12,338.99

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Solution

The fourth proportional to 13,301.27, 19,995.65 and 12,338.99 is: 18,549.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.27 : 19,995.65 = 12,338.99 : x
  2. Step 2: Convert to fraction form
    13,301.27/19,995.65 = 12,338.99/x
  3. Step 3: Cross multiply
    13,301.27x = 19,995.65 × 12,338.99
  4. Step 4: Simplify right side
    13,301.27x = 246,726,125.39
  5. Step 5: Solve for x
    x = 246,726,125.39/13,301.27
  6. Step 6: Final answer
    x = 18,549.07

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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.