Home / 10,087.02-13,912.83-6,502.77

Finding the Fourth Proportional to 10,087.02, 13,912.83 and 6,502.77

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Solution

The fourth proportional to 10,087.02, 13,912.83 and 6,502.77 is: 8,969.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,087.02 : 13,912.83 = 6,502.77 : x
  2. Step 2: Convert to fraction form
    10,087.02/13,912.83 = 6,502.77/x
  3. Step 3: Cross multiply
    10,087.02x = 13,912.83 × 6,502.77
  4. Step 4: Simplify right side
    10,087.02x = 90,471,933.54
  5. Step 5: Solve for x
    x = 90,471,933.54/10,087.02
  6. Step 6: Final answer
    x = 8,969.14

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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.