Home / 14,357.43-21,542.28-7,788.33

Finding the Fourth Proportional to 14,357.43, 21,542.28 and 7,788.33

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Solution

The fourth proportional to 14,357.43, 21,542.28 and 7,788.33 is: 11,685.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,357.43 : 21,542.28 = 7,788.33 : x
  2. Step 2: Convert to fraction form
    14,357.43/21,542.28 = 7,788.33/x
  3. Step 3: Cross multiply
    14,357.43x = 21,542.28 × 7,788.33
  4. Step 4: Simplify right side
    14,357.43x = 167,778,385.59
  5. Step 5: Solve for x
    x = 167,778,385.59/14,357.43
  6. Step 6: Final answer
    x = 11,685.82

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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.