Home / 9,942.02-13,712.21-6,163.07

Finding the Fourth Proportional to 9,942.02, 13,712.21 and 6,163.07

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Solution

The fourth proportional to 9,942.02, 13,712.21 and 6,163.07 is: 8,500.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,942.02 : 13,712.21 = 6,163.07 : x
  2. Step 2: Convert to fraction form
    9,942.02/13,712.21 = 6,163.07/x
  3. Step 3: Cross multiply
    9,942.02x = 13,712.21 × 6,163.07
  4. Step 4: Simplify right side
    9,942.02x = 84,509,210.71
  5. Step 5: Solve for x
    x = 84,509,210.71/9,942.02
  6. Step 6: Final answer
    x = 8,500.21

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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.