Home / 18,948-26,148.24-10,565.04

Finding the Fourth Proportional to 18,948, 26,148.24 and 10,565.04

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Solution

The fourth proportional to 18,948, 26,148.24 and 10,565.04 is: 14,579.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,948 : 26,148.24 = 10,565.04 : x
  2. Step 2: Convert to fraction form
    18,948/26,148.24 = 10,565.04/x
  3. Step 3: Cross multiply
    18,948x = 26,148.24 × 10,565.04
  4. Step 4: Simplify right side
    18,948x = 276,257,201.53
  5. Step 5: Solve for x
    x = 276,257,201.53/18,948
  6. Step 6: Final answer
    x = 14,579.76

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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.