Home / 18,812.30-25,955.71-14,821.02

Finding the Fourth Proportional to 18,812.30, 25,955.71 and 14,821.02

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Solution

The fourth proportional to 18,812.30, 25,955.71 and 14,821.02 is: 20,448.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,812.30 : 25,955.71 = 14,821.02 : x
  2. Step 2: Convert to fraction form
    18,812.30/25,955.71 = 14,821.02/x
  3. Step 3: Cross multiply
    18,812.30x = 25,955.71 × 14,821.02
  4. Step 4: Simplify right side
    18,812.30x = 384,690,097.02
  5. Step 5: Solve for x
    x = 384,690,097.02/18,812.30
  6. Step 6: Final answer
    x = 20,448.86

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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.