Home / 11,331.80-15,637.14-6,295.64

Finding the Fourth Proportional to 11,331.80, 15,637.14 and 6,295.64

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Solution

The fourth proportional to 11,331.80, 15,637.14 and 6,295.64 is: 8,687.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.80 : 15,637.14 = 6,295.64 : x
  2. Step 2: Convert to fraction form
    11,331.80/15,637.14 = 6,295.64/x
  3. Step 3: Cross multiply
    11,331.80x = 15,637.14 × 6,295.64
  4. Step 4: Simplify right side
    11,331.80x = 98,445,804.07
  5. Step 5: Solve for x
    x = 98,445,804.07/11,331.80
  6. Step 6: Final answer
    x = 8,687.57

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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.