Home / 16,402.69-22,635.31-9,328.66

Finding the Fourth Proportional to 16,402.69, 22,635.31 and 9,328.66

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Solution

The fourth proportional to 16,402.69, 22,635.31 and 9,328.66 is: 12,873.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,402.69 : 22,635.31 = 9,328.66 : x
  2. Step 2: Convert to fraction form
    16,402.69/22,635.31 = 9,328.66/x
  3. Step 3: Cross multiply
    16,402.69x = 22,635.31 × 9,328.66
  4. Step 4: Simplify right side
    16,402.69x = 211,157,110.98
  5. Step 5: Solve for x
    x = 211,157,110.98/16,402.69
  6. Step 6: Final answer
    x = 12,873.32

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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.