Home / 17,543.96-26,315.07-6,449.79

Finding the Fourth Proportional to 17,543.96, 26,315.07 and 6,449.79

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Solution

The fourth proportional to 17,543.96, 26,315.07 and 6,449.79 is: 9,674.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,543.96 : 26,315.07 = 6,449.79 : x
  2. Step 2: Convert to fraction form
    17,543.96/26,315.07 = 6,449.79/x
  3. Step 3: Cross multiply
    17,543.96x = 26,315.07 × 6,449.79
  4. Step 4: Simplify right side
    17,543.96x = 169,726,675.34
  5. Step 5: Solve for x
    x = 169,726,675.34/17,543.96
  6. Step 6: Final answer
    x = 9,674.37

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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.