Home / 8,742.23-13,113.44-6,998.32

Finding the Fourth Proportional to 8,742.23, 13,113.44 and 6,998.32

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Solution

The fourth proportional to 8,742.23, 13,113.44 and 6,998.32 is: 10,497.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742.23 : 13,113.44 = 6,998.32 : x
  2. Step 2: Convert to fraction form
    8,742.23/13,113.44 = 6,998.32/x
  3. Step 3: Cross multiply
    8,742.23x = 13,113.44 × 6,998.32
  4. Step 4: Simplify right side
    8,742.23x = 91,772,068.28
  5. Step 5: Solve for x
    x = 91,772,068.28/8,742.23
  6. Step 6: Final answer
    x = 10,497.56

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.