Home / 22,216.95-30,660.21-12,146.06

Finding the Fourth Proportional to 22,216.95, 30,660.21 and 12,146.06

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Solution

The fourth proportional to 22,216.95, 30,660.21 and 12,146.06 is: 16,762.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,216.95 : 30,660.21 = 12,146.06 : x
  2. Step 2: Convert to fraction form
    22,216.95/30,660.21 = 12,146.06/x
  3. Step 3: Cross multiply
    22,216.95x = 30,660.21 × 12,146.06
  4. Step 4: Simplify right side
    22,216.95x = 372,400,826.92
  5. Step 5: Solve for x
    x = 372,400,826.92/22,216.95
  6. Step 6: Final answer
    x = 16,762.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.