Home / 12,204.48-18,306.80-2,970.48

Finding the Fourth Proportional to 12,204.48, 18,306.80 and 2,970.48

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Solution

The fourth proportional to 12,204.48, 18,306.80 and 2,970.48 is: 4,455.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,204.48 : 18,306.80 = 2,970.48 : x
  2. Step 2: Convert to fraction form
    12,204.48/18,306.80 = 2,970.48/x
  3. Step 3: Cross multiply
    12,204.48x = 18,306.80 × 2,970.48
  4. Step 4: Simplify right side
    12,204.48x = 54,379,983.26
  5. Step 5: Solve for x
    x = 54,379,983.26/12,204.48
  6. Step 6: Final answer
    x = 4,455.74

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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.