Home / 10,012.12-13,822.35-6,659.50

Finding the Fourth Proportional to 10,012.12, 13,822.35 and 6,659.50

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Solution

The fourth proportional to 10,012.12, 13,822.35 and 6,659.50 is: 9,193.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,012.12 : 13,822.35 = 6,659.50 : x
  2. Step 2: Convert to fraction form
    10,012.12/13,822.35 = 6,659.50/x
  3. Step 3: Cross multiply
    10,012.12x = 13,822.35 × 6,659.50
  4. Step 4: Simplify right side
    10,012.12x = 92,049,939.83
  5. Step 5: Solve for x
    x = 92,049,939.83/10,012.12
  6. Step 6: Final answer
    x = 9,193.85

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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.