Home / 14,215.96-19,612.29-9,438.22

Finding the Fourth Proportional to 14,215.96, 19,612.29 and 9,438.22

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Solution

The fourth proportional to 14,215.96, 19,612.29 and 9,438.22 is: 13,020.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,215.96 : 19,612.29 = 9,438.22 : x
  2. Step 2: Convert to fraction form
    14,215.96/19,612.29 = 9,438.22/x
  3. Step 3: Cross multiply
    14,215.96x = 19,612.29 × 9,438.22
  4. Step 4: Simplify right side
    14,215.96x = 185,105,107.72
  5. Step 5: Solve for x
    x = 185,105,107.72/14,215.96
  6. Step 6: Final answer
    x = 13,020.94

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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.