Home / 16,154.82-22,293.96-8,985.32

Finding the Fourth Proportional to 16,154.82, 22,293.96 and 8,985.32

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Solution

The fourth proportional to 16,154.82, 22,293.96 and 8,985.32 is: 12,399.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,154.82 : 22,293.96 = 8,985.32 : x
  2. Step 2: Convert to fraction form
    16,154.82/22,293.96 = 8,985.32/x
  3. Step 3: Cross multiply
    16,154.82x = 22,293.96 × 8,985.32
  4. Step 4: Simplify right side
    16,154.82x = 200,318,364.67
  5. Step 5: Solve for x
    x = 200,318,364.67/16,154.82
  6. Step 6: Final answer
    x = 12,399.91

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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.