Home / 12,526.70-17,287.10-6,861.68

Finding the Fourth Proportional to 12,526.70, 17,287.10 and 6,861.68

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Solution

The fourth proportional to 12,526.70, 17,287.10 and 6,861.68 is: 9,469.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526.70 : 17,287.10 = 6,861.68 : x
  2. Step 2: Convert to fraction form
    12,526.70/17,287.10 = 6,861.68/x
  3. Step 3: Cross multiply
    12,526.70x = 17,287.10 × 6,861.68
  4. Step 4: Simplify right side
    12,526.70x = 118,618,557.24
  5. Step 5: Solve for x
    x = 118,618,557.24/12,526.70
  6. Step 6: Final answer
    x = 9,469.26

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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.