Home / 11,427.23-17,108.03-8,445.62

Finding the Fourth Proportional to 11,427.23, 17,108.03 and 8,445.62

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Solution

The fourth proportional to 11,427.23, 17,108.03 and 8,445.62 is: 12,644.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,427.23 : 17,108.03 = 8,445.62 : x
  2. Step 2: Convert to fraction form
    11,427.23/17,108.03 = 8,445.62/x
  3. Step 3: Cross multiply
    11,427.23x = 17,108.03 × 8,445.62
  4. Step 4: Simplify right side
    11,427.23x = 144,487,984.21
  5. Step 5: Solve for x
    x = 144,487,984.21/11,427.23
  6. Step 6: Final answer
    x = 12,644.18

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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.