Home / 19,869.96-27,429.66-11,803.08

Finding the Fourth Proportional to 19,869.96, 27,429.66 and 11,803.08

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Solution

The fourth proportional to 19,869.96, 27,429.66 and 11,803.08 is: 16,293.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,869.96 : 27,429.66 = 11,803.08 : x
  2. Step 2: Convert to fraction form
    19,869.96/27,429.66 = 11,803.08/x
  3. Step 3: Cross multiply
    19,869.96x = 27,429.66 × 11,803.08
  4. Step 4: Simplify right side
    19,869.96x = 323,754,471.35
  5. Step 5: Solve for x
    x = 323,754,471.35/19,869.96
  6. Step 6: Final answer
    x = 16,293.66

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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.