Home / 12,210.49-18,304.80-4,417.48

Finding the Fourth Proportional to 12,210.49, 18,304.80 and 4,417.48

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Solution

The fourth proportional to 12,210.49, 18,304.80 and 4,417.48 is: 6,622.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,210.49 : 18,304.80 = 4,417.48 : x
  2. Step 2: Convert to fraction form
    12,210.49/18,304.80 = 4,417.48/x
  3. Step 3: Cross multiply
    12,210.49x = 18,304.80 × 4,417.48
  4. Step 4: Simplify right side
    12,210.49x = 80,861,087.90
  5. Step 5: Solve for x
    x = 80,861,087.90/12,210.49
  6. Step 6: Final answer
    x = 6,622.26

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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.