Home / 17,526.68-26,279.90-11,986.74

Finding the Fourth Proportional to 17,526.68, 26,279.90 and 11,986.74

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Solution

The fourth proportional to 17,526.68, 26,279.90 and 11,986.74 is: 17,973.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,526.68 : 26,279.90 = 11,986.74 : x
  2. Step 2: Convert to fraction form
    17,526.68/26,279.90 = 11,986.74/x
  3. Step 3: Cross multiply
    17,526.68x = 26,279.90 × 11,986.74
  4. Step 4: Simplify right side
    17,526.68x = 315,010,328.53
  5. Step 5: Solve for x
    x = 315,010,328.53/17,526.68
  6. Step 6: Final answer
    x = 17,973.19

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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.