Home / 17,550.32-26,277.88-11,688.08

Finding the Fourth Proportional to 17,550.32, 26,277.88 and 11,688.08

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Solution

The fourth proportional to 17,550.32, 26,277.88 and 11,688.08 is: 17,500.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,550.32 : 26,277.88 = 11,688.08 : x
  2. Step 2: Convert to fraction form
    17,550.32/26,277.88 = 11,688.08/x
  3. Step 3: Cross multiply
    17,550.32x = 26,277.88 × 11,688.08
  4. Step 4: Simplify right side
    17,550.32x = 307,137,963.67
  5. Step 5: Solve for x
    x = 307,137,963.67/17,550.32
  6. Step 6: Final answer
    x = 17,500.42

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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.