Home / 12,782.13-19,173.75-4,462.98

Finding the Fourth Proportional to 12,782.13, 19,173.75 and 4,462.98

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Solution

The fourth proportional to 12,782.13, 19,173.75 and 4,462.98 is: 6,694.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,782.13 : 19,173.75 = 4,462.98 : x
  2. Step 2: Convert to fraction form
    12,782.13/19,173.75 = 4,462.98/x
  3. Step 3: Cross multiply
    12,782.13x = 19,173.75 × 4,462.98
  4. Step 4: Simplify right side
    12,782.13x = 85,572,062.78
  5. Step 5: Solve for x
    x = 85,572,062.78/12,782.13
  6. Step 6: Final answer
    x = 6,694.66

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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.