Home / 9,141.04-13,761.36-6,237.60

Finding the Fourth Proportional to 9,141.04, 13,761.36 and 6,237.60

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Solution

The fourth proportional to 9,141.04, 13,761.36 and 6,237.60 is: 9,390.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,141.04 : 13,761.36 = 6,237.60 : x
  2. Step 2: Convert to fraction form
    9,141.04/13,761.36 = 6,237.60/x
  3. Step 3: Cross multiply
    9,141.04x = 13,761.36 × 6,237.60
  4. Step 4: Simplify right side
    9,141.04x = 85,837,859.14
  5. Step 5: Solve for x
    x = 85,837,859.14/9,141.04
  6. Step 6: Final answer
    x = 9,390.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.