Home / 16,911.83-23,338.35-9,358.48

Finding the Fourth Proportional to 16,911.83, 23,338.35 and 9,358.48

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Solution

The fourth proportional to 16,911.83, 23,338.35 and 9,358.48 is: 12,914.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,911.83 : 23,338.35 = 9,358.48 : x
  2. Step 2: Convert to fraction form
    16,911.83/23,338.35 = 9,358.48/x
  3. Step 3: Cross multiply
    16,911.83x = 23,338.35 × 9,358.48
  4. Step 4: Simplify right side
    16,911.83x = 218,411,481.71
  5. Step 5: Solve for x
    x = 218,411,481.71/16,911.83
  6. Step 6: Final answer
    x = 12,914.72

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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.