Home / 14,981.96-22,470.82-5,119.81

Finding the Fourth Proportional to 14,981.96, 22,470.82 and 5,119.81

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Solution

The fourth proportional to 14,981.96, 22,470.82 and 5,119.81 is: 7,678.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,981.96 : 22,470.82 = 5,119.81 : x
  2. Step 2: Convert to fraction form
    14,981.96/22,470.82 = 5,119.81/x
  3. Step 3: Cross multiply
    14,981.96x = 22,470.82 × 5,119.81
  4. Step 4: Simplify right side
    14,981.96x = 115,046,259.97
  5. Step 5: Solve for x
    x = 115,046,259.97/14,981.96
  6. Step 6: Final answer
    x = 7,678.98

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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.