Home / 19,420.16-26,791.40-12,244.42

Finding the Fourth Proportional to 19,420.16, 26,791.40 and 12,244.42

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Solution

The fourth proportional to 19,420.16, 26,791.40 and 12,244.42 is: 16,891.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,420.16 : 26,791.40 = 12,244.42 : x
  2. Step 2: Convert to fraction form
    19,420.16/26,791.40 = 12,244.42/x
  3. Step 3: Cross multiply
    19,420.16x = 26,791.40 × 12,244.42
  4. Step 4: Simplify right side
    19,420.16x = 328,045,153.99
  5. Step 5: Solve for x
    x = 328,045,153.99/19,420.16
  6. Step 6: Final answer
    x = 16,891.99

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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.