Home / 16,122.08-22,248.64-9,048.64

Finding the Fourth Proportional to 16,122.08, 22,248.64 and 9,048.64

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Solution

The fourth proportional to 16,122.08, 22,248.64 and 9,048.64 is: 12,487.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,122.08 : 22,248.64 = 9,048.64 : x
  2. Step 2: Convert to fraction form
    16,122.08/22,248.64 = 9,048.64/x
  3. Step 3: Cross multiply
    16,122.08x = 22,248.64 × 9,048.64
  4. Step 4: Simplify right side
    16,122.08x = 201,319,933.85
  5. Step 5: Solve for x
    x = 201,319,933.85/16,122.08
  6. Step 6: Final answer
    x = 12,487.22

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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.