Home / 16,947.48-23,387.82-9,394.20

Finding the Fourth Proportional to 16,947.48, 23,387.82 and 9,394.20

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Solution

The fourth proportional to 16,947.48, 23,387.82 and 9,394.20 is: 12,964.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,947.48 : 23,387.82 = 9,394.20 : x
  2. Step 2: Convert to fraction form
    16,947.48/23,387.82 = 9,394.20/x
  3. Step 3: Cross multiply
    16,947.48x = 23,387.82 × 9,394.20
  4. Step 4: Simplify right side
    16,947.48x = 219,709,858.64
  5. Step 5: Solve for x
    x = 219,709,858.64/16,947.48
  6. Step 6: Final answer
    x = 12,964.16

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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.