Home / 9,949.86-14,905.23-5,781.12

Finding the Fourth Proportional to 9,949.86, 14,905.23 and 5,781.12

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Solution

The fourth proportional to 9,949.86, 14,905.23 and 5,781.12 is: 8,660.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,949.86 : 14,905.23 = 5,781.12 : x
  2. Step 2: Convert to fraction form
    9,949.86/14,905.23 = 5,781.12/x
  3. Step 3: Cross multiply
    9,949.86x = 14,905.23 × 5,781.12
  4. Step 4: Simplify right side
    9,949.86x = 86,168,923.26
  5. Step 5: Solve for x
    x = 86,168,923.26/9,949.86
  6. Step 6: Final answer
    x = 8,660.32

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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.