Home / 20,889.54-31,338.36-6,098.58

Finding the Fourth Proportional to 20,889.54, 31,338.36 and 6,098.58

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Solution

The fourth proportional to 20,889.54, 31,338.36 and 6,098.58 is: 9,149.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,889.54 : 31,338.36 = 6,098.58 : x
  2. Step 2: Convert to fraction form
    20,889.54/31,338.36 = 6,098.58/x
  3. Step 3: Cross multiply
    20,889.54x = 31,338.36 × 6,098.58
  4. Step 4: Simplify right side
    20,889.54x = 191,119,495.53
  5. Step 5: Solve for x
    x = 191,119,495.53/20,889.54
  6. Step 6: Final answer
    x = 9,149.05

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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.