Home / 12,293.12-16,964.49-6,988.27

Finding the Fourth Proportional to 12,293.12, 16,964.49 and 6,988.27

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Solution

The fourth proportional to 12,293.12, 16,964.49 and 6,988.27 is: 9,643.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,293.12 : 16,964.49 = 6,988.27 : x
  2. Step 2: Convert to fraction form
    12,293.12/16,964.49 = 6,988.27/x
  3. Step 3: Cross multiply
    12,293.12x = 16,964.49 × 6,988.27
  4. Step 4: Simplify right side
    12,293.12x = 118,552,394.12
  5. Step 5: Solve for x
    x = 118,552,394.12/12,293.12
  6. Step 6: Final answer
    x = 9,643.80

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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.