Home / 19,277.02-28,944.15-11,860.12

Finding the Fourth Proportional to 19,277.02, 28,944.15 and 11,860.12

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Solution

The fourth proportional to 19,277.02, 28,944.15 and 11,860.12 is: 17,807.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,277.02 : 28,944.15 = 11,860.12 : x
  2. Step 2: Convert to fraction form
    19,277.02/28,944.15 = 11,860.12/x
  3. Step 3: Cross multiply
    19,277.02x = 28,944.15 × 11,860.12
  4. Step 4: Simplify right side
    19,277.02x = 343,281,092.30
  5. Step 5: Solve for x
    x = 343,281,092.30/19,277.02
  6. Step 6: Final answer
    x = 17,807.79

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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.