Home / 17,421.23-26,131.91-4,940.88

Finding the Fourth Proportional to 17,421.23, 26,131.91 and 4,940.88

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Solution

The fourth proportional to 17,421.23, 26,131.91 and 4,940.88 is: 7,411.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,421.23 : 26,131.91 = 4,940.88 : x
  2. Step 2: Convert to fraction form
    17,421.23/26,131.91 = 4,940.88/x
  3. Step 3: Cross multiply
    17,421.23x = 26,131.91 × 4,940.88
  4. Step 4: Simplify right side
    17,421.23x = 129,114,606.78
  5. Step 5: Solve for x
    x = 129,114,606.78/17,421.23
  6. Step 6: Final answer
    x = 7,411.34

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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.