Home / 13,189.17-19,784.13-4,304.46

Finding the Fourth Proportional to 13,189.17, 19,784.13 and 4,304.46

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Solution

The fourth proportional to 13,189.17, 19,784.13 and 4,304.46 is: 6,456.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,189.17 : 19,784.13 = 4,304.46 : x
  2. Step 2: Convert to fraction form
    13,189.17/19,784.13 = 4,304.46/x
  3. Step 3: Cross multiply
    13,189.17x = 19,784.13 × 4,304.46
  4. Step 4: Simplify right side
    13,189.17x = 85,159,996.22
  5. Step 5: Solve for x
    x = 85,159,996.22/13,189.17
  6. Step 6: Final answer
    x = 6,456.81

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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.