Home / 12,467.17-17,204.70-7,089.31

Finding the Fourth Proportional to 12,467.17, 17,204.70 and 7,089.31

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Solution

The fourth proportional to 12,467.17, 17,204.70 and 7,089.31 is: 9,783.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,467.17 : 17,204.70 = 7,089.31 : x
  2. Step 2: Convert to fraction form
    12,467.17/17,204.70 = 7,089.31/x
  3. Step 3: Cross multiply
    12,467.17x = 17,204.70 × 7,089.31
  4. Step 4: Simplify right side
    12,467.17x = 121,969,451.76
  5. Step 5: Solve for x
    x = 121,969,451.76/12,467.17
  6. Step 6: Final answer
    x = 9,783.25

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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.