Home / 16,909.32-23,334.90-9,356.20

Finding the Fourth Proportional to 16,909.32, 23,334.90 and 9,356.20

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Solution

The fourth proportional to 16,909.32, 23,334.90 and 9,356.20 is: 12,911.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,909.32 : 23,334.90 = 9,356.20 : x
  2. Step 2: Convert to fraction form
    16,909.32/23,334.90 = 9,356.20/x
  3. Step 3: Cross multiply
    16,909.32x = 23,334.90 × 9,356.20
  4. Step 4: Simplify right side
    16,909.32x = 218,325,991.38
  5. Step 5: Solve for x
    x = 218,325,991.38/16,909.32
  6. Step 6: Final answer
    x = 12,911.58

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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.