Home / 17,748.10-26,614.62-7,880.62

Finding the Fourth Proportional to 17,748.10, 26,614.62 and 7,880.62

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Solution

The fourth proportional to 17,748.10, 26,614.62 and 7,880.62 is: 11,817.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,748.10 : 26,614.62 = 7,880.62 : x
  2. Step 2: Convert to fraction form
    17,748.10/26,614.62 = 7,880.62/x
  3. Step 3: Cross multiply
    17,748.10x = 26,614.62 × 7,880.62
  4. Step 4: Simplify right side
    17,748.10x = 209,739,706.66
  5. Step 5: Solve for x
    x = 209,739,706.66/17,748.10
  6. Step 6: Final answer
    x = 11,817.59

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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.