Home / 10,091.55-15,116.46-5,918.99

Finding the Fourth Proportional to 10,091.55, 15,116.46 and 5,918.99

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Solution

The fourth proportional to 10,091.55, 15,116.46 and 5,918.99 is: 8,866.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,091.55 : 15,116.46 = 5,918.99 : x
  2. Step 2: Convert to fraction form
    10,091.55/15,116.46 = 5,918.99/x
  3. Step 3: Cross multiply
    10,091.55x = 15,116.46 × 5,918.99
  4. Step 4: Simplify right side
    10,091.55x = 89,474,099.99
  5. Step 5: Solve for x
    x = 89,474,099.99/10,091.55
  6. Step 6: Final answer
    x = 8,866.24

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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.