Home / 12,526.90-17,287.34-6,861.56

Finding the Fourth Proportional to 12,526.90, 17,287.34 and 6,861.56

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Solution

The fourth proportional to 12,526.90, 17,287.34 and 6,861.56 is: 9,469.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526.90 : 17,287.34 = 6,861.56 : x
  2. Step 2: Convert to fraction form
    12,526.90/17,287.34 = 6,861.56/x
  3. Step 3: Cross multiply
    12,526.90x = 17,287.34 × 6,861.56
  4. Step 4: Simplify right side
    12,526.90x = 118,618,120.65
  5. Step 5: Solve for x
    x = 118,618,120.65/12,526.90
  6. Step 6: Final answer
    x = 9,469.07

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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.