Home / 11,246.80-15,520.20-6,210.94

Finding the Fourth Proportional to 11,246.80, 15,520.20 and 6,210.94

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Solution

The fourth proportional to 11,246.80, 15,520.20 and 6,210.94 is: 8,570.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,246.80 : 15,520.20 = 6,210.94 : x
  2. Step 2: Convert to fraction form
    11,246.80/15,520.20 = 6,210.94/x
  3. Step 3: Cross multiply
    11,246.80x = 15,520.20 × 6,210.94
  4. Step 4: Simplify right side
    11,246.80x = 96,395,030.99
  5. Step 5: Solve for x
    x = 96,395,030.99/11,246.80
  6. Step 6: Final answer
    x = 8,570.89

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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.