Home / 19,517.49-26,937.30-11,967.99

Finding the Fourth Proportional to 19,517.49, 26,937.30 and 11,967.99

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Solution

The fourth proportional to 19,517.49, 26,937.30 and 11,967.99 is: 16,517.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,517.49 : 26,937.30 = 11,967.99 : x
  2. Step 2: Convert to fraction form
    19,517.49/26,937.30 = 11,967.99/x
  3. Step 3: Cross multiply
    19,517.49x = 26,937.30 × 11,967.99
  4. Step 4: Simplify right side
    19,517.49x = 322,385,277.19
  5. Step 5: Solve for x
    x = 322,385,277.19/19,517.49
  6. Step 6: Final answer
    x = 16,517.76

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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.