Home / 12,057.02-16,640.61-9,218.93

Finding the Fourth Proportional to 12,057.02, 16,640.61 and 9,218.93

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Solution

The fourth proportional to 12,057.02, 16,640.61 and 9,218.93 is: 12,723.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,057.02 : 16,640.61 = 9,218.93 : x
  2. Step 2: Convert to fraction form
    12,057.02/16,640.61 = 9,218.93/x
  3. Step 3: Cross multiply
    12,057.02x = 16,640.61 × 9,218.93
  4. Step 4: Simplify right side
    12,057.02x = 153,408,618.75
  5. Step 5: Solve for x
    x = 153,408,618.75/12,057.02
  6. Step 6: Final answer
    x = 12,723.59

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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.