Home / 14,238.86-21,358.35-9,339.53

Finding the Fourth Proportional to 14,238.86, 21,358.35 and 9,339.53

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Solution

The fourth proportional to 14,238.86, 21,358.35 and 9,339.53 is: 14,009.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,238.86 : 21,358.35 = 9,339.53 : x
  2. Step 2: Convert to fraction form
    14,238.86/21,358.35 = 9,339.53/x
  3. Step 3: Cross multiply
    14,238.86x = 21,358.35 × 9,339.53
  4. Step 4: Simplify right side
    14,238.86x = 199,476,843.78
  5. Step 5: Solve for x
    x = 199,476,843.78/14,238.86
  6. Step 6: Final answer
    x = 14,009.33

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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.