Home / 14,442.25-19,930.31-8,155.03

Finding the Fourth Proportional to 14,442.25, 19,930.31 and 8,155.03

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Solution

The fourth proportional to 14,442.25, 19,930.31 and 8,155.03 is: 11,253.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,442.25 : 19,930.31 = 8,155.03 : x
  2. Step 2: Convert to fraction form
    14,442.25/19,930.31 = 8,155.03/x
  3. Step 3: Cross multiply
    14,442.25x = 19,930.31 × 8,155.03
  4. Step 4: Simplify right side
    14,442.25x = 162,532,275.96
  5. Step 5: Solve for x
    x = 162,532,275.96/14,442.25
  6. Step 6: Final answer
    x = 11,253.94

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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.