Home / 14,315.29-19,761.29-13,418.62

Finding the Fourth Proportional to 14,315.29, 19,761.29 and 13,418.62

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Solution

The fourth proportional to 14,315.29, 19,761.29 and 13,418.62 is: 18,523.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,315.29 : 19,761.29 = 13,418.62 : x
  2. Step 2: Convert to fraction form
    14,315.29/19,761.29 = 13,418.62/x
  3. Step 3: Cross multiply
    14,315.29x = 19,761.29 × 13,418.62
  4. Step 4: Simplify right side
    14,315.29x = 265,169,241.22
  5. Step 5: Solve for x
    x = 265,169,241.22/14,315.29
  6. Step 6: Final answer
    x = 18,523.50

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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.