Home / 34,394.40-51,582.94-13,327.21

Finding the Fourth Proportional to 34,394.40, 51,582.94 and 13,327.21

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Solution

The fourth proportional to 34,394.40, 51,582.94 and 13,327.21 is: 19,987.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,394.40 : 51,582.94 = 13,327.21 : x
  2. Step 2: Convert to fraction form
    34,394.40/51,582.94 = 13,327.21/x
  3. Step 3: Cross multiply
    34,394.40x = 51,582.94 × 13,327.21
  4. Step 4: Simplify right side
    34,394.40x = 687,456,673.80
  5. Step 5: Solve for x
    x = 687,456,673.80/34,394.40
  6. Step 6: Final answer
    x = 19,987.46

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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.