Home / 12,488.12-17,233.61-6,822.92

Finding the Fourth Proportional to 12,488.12, 17,233.61 and 6,822.92

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Solution

The fourth proportional to 12,488.12, 17,233.61 and 6,822.92 is: 9,415.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,488.12 : 17,233.61 = 6,822.92 : x
  2. Step 2: Convert to fraction form
    12,488.12/17,233.61 = 6,822.92/x
  3. Step 3: Cross multiply
    12,488.12x = 17,233.61 × 6,822.92
  4. Step 4: Simplify right side
    12,488.12x = 117,583,422.06
  5. Step 5: Solve for x
    x = 117,583,422.06/12,488.12
  6. Step 6: Final answer
    x = 9,415.62

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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.