Home / 12,246.49-16,896.36-7,209.10

Finding the Fourth Proportional to 12,246.49, 16,896.36 and 7,209.10

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Solution

The fourth proportional to 12,246.49, 16,896.36 and 7,209.10 is: 9,946.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,246.49 : 16,896.36 = 7,209.10 : x
  2. Step 2: Convert to fraction form
    12,246.49/16,896.36 = 7,209.10/x
  3. Step 3: Cross multiply
    12,246.49x = 16,896.36 × 7,209.10
  4. Step 4: Simplify right side
    12,246.49x = 121,807,548.88
  5. Step 5: Solve for x
    x = 121,807,548.88/12,246.49
  6. Step 6: Final answer
    x = 9,946.32

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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.