Home / 17,605.35-26,409.21-5,125.47

Finding the Fourth Proportional to 17,605.35, 26,409.21 and 5,125.47

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Solution

The fourth proportional to 17,605.35, 26,409.21 and 5,125.47 is: 7,688.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,605.35 : 26,409.21 = 5,125.47 : x
  2. Step 2: Convert to fraction form
    17,605.35/26,409.21 = 5,125.47/x
  3. Step 3: Cross multiply
    17,605.35x = 26,409.21 × 5,125.47
  4. Step 4: Simplify right side
    17,605.35x = 135,359,613.58
  5. Step 5: Solve for x
    x = 135,359,613.58/17,605.35
  6. Step 6: Final answer
    x = 7,688.55

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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.