Home / 14,351.31-21,523.05-9,078.40

Finding the Fourth Proportional to 14,351.31, 21,523.05 and 9,078.40

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Solution

The fourth proportional to 14,351.31, 21,523.05 and 9,078.40 is: 13,615.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,351.31 : 21,523.05 = 9,078.40 : x
  2. Step 2: Convert to fraction form
    14,351.31/21,523.05 = 9,078.40/x
  3. Step 3: Cross multiply
    14,351.31x = 21,523.05 × 9,078.40
  4. Step 4: Simplify right side
    14,351.31x = 195,394,857.12
  5. Step 5: Solve for x
    x = 195,394,857.12/14,351.31
  6. Step 6: Final answer
    x = 13,615.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.