Home / 17,879.07-24,671.12-9,921.63

Finding the Fourth Proportional to 17,879.07, 24,671.12 and 9,921.63

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Solution

The fourth proportional to 17,879.07, 24,671.12 and 9,921.63 is: 13,690.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,879.07 : 24,671.12 = 9,921.63 : x
  2. Step 2: Convert to fraction form
    17,879.07/24,671.12 = 9,921.63/x
  3. Step 3: Cross multiply
    17,879.07x = 24,671.12 × 9,921.63
  4. Step 4: Simplify right side
    17,879.07x = 244,777,674.72
  5. Step 5: Solve for x
    x = 244,777,674.72/17,879.07
  6. Step 6: Final answer
    x = 13,690.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.