Home / 9,149.00-13,723.29-4,218.63

Finding the Fourth Proportional to 9,149.00, 13,723.29 and 4,218.63

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Solution

The fourth proportional to 9,149.00, 13,723.29 and 4,218.63 is: 6,327.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,149.00 : 13,723.29 = 4,218.63 : x
  2. Step 2: Convert to fraction form
    9,149.00/13,723.29 = 4,218.63/x
  3. Step 3: Cross multiply
    9,149.00x = 13,723.29 × 4,218.63
  4. Step 4: Simplify right side
    9,149.00x = 57,893,482.89
  5. Step 5: Solve for x
    x = 57,893,482.89/9,149.00
  6. Step 6: Final answer
    x = 6,327.85

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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.