Home / 19,776.83-27,285.24-11,272.82

Finding the Fourth Proportional to 19,776.83, 27,285.24 and 11,272.82

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Solution

The fourth proportional to 19,776.83, 27,285.24 and 11,272.82 is: 15,552.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,776.83 : 27,285.24 = 11,272.82 : x
  2. Step 2: Convert to fraction form
    19,776.83/27,285.24 = 11,272.82/x
  3. Step 3: Cross multiply
    19,776.83x = 27,285.24 × 11,272.82
  4. Step 4: Simplify right side
    19,776.83x = 307,581,599.18
  5. Step 5: Solve for x
    x = 307,581,599.18/19,776.83
  6. Step 6: Final answer
    x = 15,552.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.