Home / 12,776.36-19,163.02-3,417.10

Finding the Fourth Proportional to 12,776.36, 19,163.02 and 3,417.10

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Solution

The fourth proportional to 12,776.36, 19,163.02 and 3,417.10 is: 5,125.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,776.36 : 19,163.02 = 3,417.10 : x
  2. Step 2: Convert to fraction form
    12,776.36/19,163.02 = 3,417.10/x
  3. Step 3: Cross multiply
    12,776.36x = 19,163.02 × 3,417.10
  4. Step 4: Simplify right side
    12,776.36x = 65,481,944.50
  5. Step 5: Solve for x
    x = 65,481,944.50/12,776.36
  6. Step 6: Final answer
    x = 5,125.24

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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.