Home / 18,834.81-25,990.26-11,281.01

Finding the Fourth Proportional to 18,834.81, 25,990.26 and 11,281.01

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Solution

The fourth proportional to 18,834.81, 25,990.26 and 11,281.01 is: 15,566.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,834.81 : 25,990.26 = 11,281.01 : x
  2. Step 2: Convert to fraction form
    18,834.81/25,990.26 = 11,281.01/x
  3. Step 3: Cross multiply
    18,834.81x = 25,990.26 × 11,281.01
  4. Step 4: Simplify right side
    18,834.81x = 293,196,253.01
  5. Step 5: Solve for x
    x = 293,196,253.01/18,834.81
  6. Step 6: Final answer
    x = 15,566.72

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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.