Home / 9,114.31-13,666.73-4,179.70

Finding the Fourth Proportional to 9,114.31, 13,666.73 and 4,179.70

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Solution

The fourth proportional to 9,114.31, 13,666.73 and 4,179.70 is: 6,267.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,114.31 : 13,666.73 = 4,179.70 : x
  2. Step 2: Convert to fraction form
    9,114.31/13,666.73 = 4,179.70/x
  3. Step 3: Cross multiply
    9,114.31x = 13,666.73 × 4,179.70
  4. Step 4: Simplify right side
    9,114.31x = 57,122,831.38
  5. Step 5: Solve for x
    x = 57,122,831.38/9,114.31
  6. Step 6: Final answer
    x = 6,267.38

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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.