Home / 21,336.08-31,998.96-9,483.32

Finding the Fourth Proportional to 21,336.08, 31,998.96 and 9,483.32

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Solution

The fourth proportional to 21,336.08, 31,998.96 and 9,483.32 is: 14,222.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,336.08 : 31,998.96 = 9,483.32 : x
  2. Step 2: Convert to fraction form
    21,336.08/31,998.96 = 9,483.32/x
  3. Step 3: Cross multiply
    21,336.08x = 31,998.96 × 9,483.32
  4. Step 4: Simplify right side
    21,336.08x = 303,456,377.35
  5. Step 5: Solve for x
    x = 303,456,377.35/21,336.08
  6. Step 6: Final answer
    x = 14,222.69

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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.