Home / 10,012.41-13,822.65-6,657.80

Finding the Fourth Proportional to 10,012.41, 13,822.65 and 6,657.80

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Solution

The fourth proportional to 10,012.41, 13,822.65 and 6,657.80 is: 9,191.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,012.41 : 13,822.65 = 6,657.80 : x
  2. Step 2: Convert to fraction form
    10,012.41/13,822.65 = 6,657.80/x
  3. Step 3: Cross multiply
    10,012.41x = 13,822.65 × 6,657.80
  4. Step 4: Simplify right side
    10,012.41x = 92,028,370.06
  5. Step 5: Solve for x
    x = 92,028,370.06/10,012.41
  6. Step 6: Final answer
    x = 9,191.43

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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.