Home / 19,487.34-29,231.01-11,161.59

Finding the Fourth Proportional to 19,487.34, 29,231.01 and 11,161.59

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Solution

The fourth proportional to 19,487.34, 29,231.01 and 11,161.59 is: 16,742.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,487.34 : 29,231.01 = 11,161.59 : x
  2. Step 2: Convert to fraction form
    19,487.34/29,231.01 = 11,161.59/x
  3. Step 3: Cross multiply
    19,487.34x = 29,231.01 × 11,161.59
  4. Step 4: Simplify right side
    19,487.34x = 326,264,548.91
  5. Step 5: Solve for x
    x = 326,264,548.91/19,487.34
  6. Step 6: Final answer
    x = 16,742.39

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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.