Home / 13,487.49-20,236.08-6,086.31

Finding the Fourth Proportional to 13,487.49, 20,236.08 and 6,086.31

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Solution

The fourth proportional to 13,487.49, 20,236.08 and 6,086.31 is: 9,131.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,487.49 : 20,236.08 = 6,086.31 : x
  2. Step 2: Convert to fraction form
    13,487.49/20,236.08 = 6,086.31/x
  3. Step 3: Cross multiply
    13,487.49x = 20,236.08 × 6,086.31
  4. Step 4: Simplify right side
    13,487.49x = 123,163,056.06
  5. Step 5: Solve for x
    x = 123,163,056.06/13,487.49
  6. Step 6: Final answer
    x = 9,131.65

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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.