Home / 19,488.60-26,892.66-10,992.81

Finding the Fourth Proportional to 19,488.60, 26,892.66 and 10,992.81

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Solution

The fourth proportional to 19,488.60, 26,892.66 and 10,992.81 is: 15,169.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,488.60 : 26,892.66 = 10,992.81 : x
  2. Step 2: Convert to fraction form
    19,488.60/26,892.66 = 10,992.81/x
  3. Step 3: Cross multiply
    19,488.60x = 26,892.66 × 10,992.81
  4. Step 4: Simplify right side
    19,488.60x = 295,625,901.77
  5. Step 5: Solve for x
    x = 295,625,901.77/19,488.60
  6. Step 6: Final answer
    x = 15,169.17

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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.