Home / 16,880.40-23,294.82-9,327.22

Finding the Fourth Proportional to 16,880.40, 23,294.82 and 9,327.22

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Solution

The fourth proportional to 16,880.40, 23,294.82 and 9,327.22 is: 12,871.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,880.40 : 23,294.82 = 9,327.22 : x
  2. Step 2: Convert to fraction form
    16,880.40/23,294.82 = 9,327.22/x
  3. Step 3: Cross multiply
    16,880.40x = 23,294.82 × 9,327.22
  4. Step 4: Simplify right side
    16,880.40x = 217,275,911.00
  5. Step 5: Solve for x
    x = 217,275,911.00/16,880.40
  6. Step 6: Final answer
    x = 12,871.49

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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.