Home / 16,398.72-22,628.70-9,324.90

Finding the Fourth Proportional to 16,398.72, 22,628.70 and 9,324.90

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Solution

The fourth proportional to 16,398.72, 22,628.70 and 9,324.90 is: 12,867.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,398.72 : 22,628.70 = 9,324.90 : x
  2. Step 2: Convert to fraction form
    16,398.72/22,628.70 = 9,324.90/x
  3. Step 3: Cross multiply
    16,398.72x = 22,628.70 × 9,324.90
  4. Step 4: Simplify right side
    16,398.72x = 211,010,364.63
  5. Step 5: Solve for x
    x = 211,010,364.63/16,398.72
  6. Step 6: Final answer
    x = 12,867.49

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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.