Home / 19,401.80-26,753.29-13,103.24

Finding the Fourth Proportional to 19,401.80, 26,753.29 and 13,103.24

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Solution

The fourth proportional to 19,401.80, 26,753.29 and 13,103.24 is: 18,068.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,401.80 : 26,753.29 = 13,103.24 : x
  2. Step 2: Convert to fraction form
    19,401.80/26,753.29 = 13,103.24/x
  3. Step 3: Cross multiply
    19,401.80x = 26,753.29 × 13,103.24
  4. Step 4: Simplify right side
    19,401.80x = 350,554,613.14
  5. Step 5: Solve for x
    x = 350,554,613.14/19,401.80
  6. Step 6: Final answer
    x = 18,068.15

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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.