Home / 19,167.48-28,754.64-7,922.85

Finding the Fourth Proportional to 19,167.48, 28,754.64 and 7,922.85

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Solution

The fourth proportional to 19,167.48, 28,754.64 and 7,922.85 is: 11,885.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,167.48 : 28,754.64 = 7,922.85 : x
  2. Step 2: Convert to fraction form
    19,167.48/28,754.64 = 7,922.85/x
  3. Step 3: Cross multiply
    19,167.48x = 28,754.64 × 7,922.85
  4. Step 4: Simplify right side
    19,167.48x = 227,818,699.52
  5. Step 5: Solve for x
    x = 227,818,699.52/19,167.48
  6. Step 6: Final answer
    x = 11,885.69

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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.