Home / 12,811.56-19,215.92-4,041.68

Finding the Fourth Proportional to 12,811.56, 19,215.92 and 4,041.68

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Solution

The fourth proportional to 12,811.56, 19,215.92 and 4,041.68 is: 6,062.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,811.56 : 19,215.92 = 4,041.68 : x
  2. Step 2: Convert to fraction form
    12,811.56/19,215.92 = 4,041.68/x
  3. Step 3: Cross multiply
    12,811.56x = 19,215.92 × 4,041.68
  4. Step 4: Simplify right side
    12,811.56x = 77,664,599.55
  5. Step 5: Solve for x
    x = 77,664,599.55/12,811.56
  6. Step 6: Final answer
    x = 6,062.07

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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.