Home / 10,099.36-15,139.66-9,268.84

Finding the Fourth Proportional to 10,099.36, 15,139.66 and 9,268.84

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Solution

The fourth proportional to 10,099.36, 15,139.66 and 9,268.84 is: 13,894.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,099.36 : 15,139.66 = 9,268.84 : x
  2. Step 2: Convert to fraction form
    10,099.36/15,139.66 = 9,268.84/x
  3. Step 3: Cross multiply
    10,099.36x = 15,139.66 × 9,268.84
  4. Step 4: Simplify right side
    10,099.36x = 140,327,086.19
  5. Step 5: Solve for x
    x = 140,327,086.19/10,099.36
  6. Step 6: Final answer
    x = 13,894.65

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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.