Home / 22,210.41-30,651.03-12,139.77

Finding the Fourth Proportional to 22,210.41, 30,651.03 and 12,139.77

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Solution

The fourth proportional to 22,210.41, 30,651.03 and 12,139.77 is: 16,753.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,210.41 : 30,651.03 = 12,139.77 : x
  2. Step 2: Convert to fraction form
    22,210.41/30,651.03 = 12,139.77/x
  3. Step 3: Cross multiply
    22,210.41x = 30,651.03 × 12,139.77
  4. Step 4: Simplify right side
    22,210.41x = 372,096,454.46
  5. Step 5: Solve for x
    x = 372,096,454.46/22,210.41
  6. Step 6: Final answer
    x = 16,753.25

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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.