Home / 12,586.90-17,370.01-6,997.94

Finding the Fourth Proportional to 12,586.90, 17,370.01 and 6,997.94

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Solution

The fourth proportional to 12,586.90, 17,370.01 and 6,997.94 is: 9,657.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,586.90 : 17,370.01 = 6,997.94 : x
  2. Step 2: Convert to fraction form
    12,586.90/17,370.01 = 6,997.94/x
  3. Step 3: Cross multiply
    12,586.90x = 17,370.01 × 6,997.94
  4. Step 4: Simplify right side
    12,586.90x = 121,554,287.78
  5. Step 5: Solve for x
    x = 121,554,287.78/12,586.90
  6. Step 6: Final answer
    x = 9,657.21

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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.