Home / 14,349.50-21,514.32-7,315.86

Finding the Fourth Proportional to 14,349.50, 21,514.32 and 7,315.86

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Solution

The fourth proportional to 14,349.50, 21,514.32 and 7,315.86 is: 10,968.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,349.50 : 21,514.32 = 7,315.86 : x
  2. Step 2: Convert to fraction form
    14,349.50/21,514.32 = 7,315.86/x
  3. Step 3: Cross multiply
    14,349.50x = 21,514.32 × 7,315.86
  4. Step 4: Simplify right side
    14,349.50x = 157,395,753.12
  5. Step 5: Solve for x
    x = 157,395,753.12/14,349.50
  6. Step 6: Final answer
    x = 10,968.73

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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.