Home / 11,359.72-17,020.50-8,572.36

Finding the Fourth Proportional to 11,359.72, 17,020.50 and 8,572.36

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Solution

The fourth proportional to 11,359.72, 17,020.50 and 8,572.36 is: 12,844.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,359.72 : 17,020.50 = 8,572.36 : x
  2. Step 2: Convert to fraction form
    11,359.72/17,020.50 = 8,572.36/x
  3. Step 3: Cross multiply
    11,359.72x = 17,020.50 × 8,572.36
  4. Step 4: Simplify right side
    11,359.72x = 145,905,853.38
  5. Step 5: Solve for x
    x = 145,905,853.38/11,359.72
  6. Step 6: Final answer
    x = 12,844.14

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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.