Home / 22,478.08-33,716.12-7,688.32

Finding the Fourth Proportional to 22,478.08, 33,716.12 and 7,688.32

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Solution

The fourth proportional to 22,478.08, 33,716.12 and 7,688.32 is: 11,532.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,478.08 : 33,716.12 = 7,688.32 : x
  2. Step 2: Convert to fraction form
    22,478.08/33,716.12 = 7,688.32/x
  3. Step 3: Cross multiply
    22,478.08x = 33,716.12 × 7,688.32
  4. Step 4: Simplify right side
    22,478.08x = 259,220,319.72
  5. Step 5: Solve for x
    x = 259,220,319.72/22,478.08
  6. Step 6: Final answer
    x = 11,532.14

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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.