Home / 19,251.09-28,859.77-9,250.86

Finding the Fourth Proportional to 19,251.09, 28,859.77 and 9,250.86

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Solution

The fourth proportional to 19,251.09, 28,859.77 and 9,250.86 is: 13,868.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251.09 : 28,859.77 = 9,250.86 : x
  2. Step 2: Convert to fraction form
    19,251.09/28,859.77 = 9,250.86/x
  3. Step 3: Cross multiply
    19,251.09x = 28,859.77 × 9,250.86
  4. Step 4: Simplify right side
    19,251.09x = 266,977,623.34
  5. Step 5: Solve for x
    x = 266,977,623.34/19,251.09
  6. Step 6: Final answer
    x = 13,868.18

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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.