Home / 22,678.86-34,033.77-7,887.63

Finding the Fourth Proportional to 22,678.86, 34,033.77 and 7,887.63

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Solution

The fourth proportional to 22,678.86, 34,033.77 and 7,887.63 is: 11,836.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,678.86 : 34,033.77 = 7,887.63 : x
  2. Step 2: Convert to fraction form
    22,678.86/34,033.77 = 7,887.63/x
  3. Step 3: Cross multiply
    22,678.86x = 34,033.77 × 7,887.63
  4. Step 4: Simplify right side
    22,678.86x = 268,445,785.27
  5. Step 5: Solve for x
    x = 268,445,785.27/22,678.86
  6. Step 6: Final answer
    x = 11,836.83

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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.