Home / 20,017.61-29,985.40-11,234.07

Finding the Fourth Proportional to 20,017.61, 29,985.40 and 11,234.07

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Solution

The fourth proportional to 20,017.61, 29,985.40 and 11,234.07 is: 16,828.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,017.61 : 29,985.40 = 11,234.07 : x
  2. Step 2: Convert to fraction form
    20,017.61/29,985.40 = 11,234.07/x
  3. Step 3: Cross multiply
    20,017.61x = 29,985.40 × 11,234.07
  4. Step 4: Simplify right side
    20,017.61x = 336,858,082.58
  5. Step 5: Solve for x
    x = 336,858,082.58/20,017.61
  6. Step 6: Final answer
    x = 16,828.09

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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.