Home / 12,859.74-19,276.41-6,277.83

Finding the Fourth Proportional to 12,859.74, 19,276.41 and 6,277.83

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Solution

The fourth proportional to 12,859.74, 19,276.41 and 6,277.83 is: 9,410.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,859.74 : 19,276.41 = 6,277.83 : x
  2. Step 2: Convert to fraction form
    12,859.74/19,276.41 = 6,277.83/x
  3. Step 3: Cross multiply
    12,859.74x = 19,276.41 × 6,277.83
  4. Step 4: Simplify right side
    12,859.74x = 121,014,024.99
  5. Step 5: Solve for x
    x = 121,014,024.99/12,859.74
  6. Step 6: Final answer
    x = 9,410.30

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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.