Home / 9,171.31-13,746.32-3,904.66

Finding the Fourth Proportional to 9,171.31, 13,746.32 and 3,904.66

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Solution

The fourth proportional to 9,171.31, 13,746.32 and 3,904.66 is: 5,852.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,171.31 : 13,746.32 = 3,904.66 : x
  2. Step 2: Convert to fraction form
    9,171.31/13,746.32 = 3,904.66/x
  3. Step 3: Cross multiply
    9,171.31x = 13,746.32 × 3,904.66
  4. Step 4: Simplify right side
    9,171.31x = 53,674,705.85
  5. Step 5: Solve for x
    x = 53,674,705.85/9,171.31
  6. Step 6: Final answer
    x = 5,852.46

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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.