Home / 12,723.48-19,064.47-6,474.90

Finding the Fourth Proportional to 12,723.48, 19,064.47 and 6,474.90

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Solution

The fourth proportional to 12,723.48, 19,064.47 and 6,474.90 is: 9,701.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,723.48 : 19,064.47 = 6,474.90 : x
  2. Step 2: Convert to fraction form
    12,723.48/19,064.47 = 6,474.90/x
  3. Step 3: Cross multiply
    12,723.48x = 19,064.47 × 6,474.90
  4. Step 4: Simplify right side
    12,723.48x = 123,440,536.80
  5. Step 5: Solve for x
    x = 123,440,536.80/12,723.48
  6. Step 6: Final answer
    x = 9,701.79

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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.