Home / 14,315.04-19,760.94-13,418.37

Finding the Fourth Proportional to 14,315.04, 19,760.94 and 13,418.37

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Solution

The fourth proportional to 14,315.04, 19,760.94 and 13,418.37 is: 18,523.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,315.04 : 19,760.94 = 13,418.37 : x
  2. Step 2: Convert to fraction form
    14,315.04/19,760.94 = 13,418.37/x
  3. Step 3: Cross multiply
    14,315.04x = 19,760.94 × 13,418.37
  4. Step 4: Simplify right side
    14,315.04x = 265,159,604.47
  5. Step 5: Solve for x
    x = 265,159,604.47/14,315.04
  6. Step 6: Final answer
    x = 18,523.15

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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.