Home / 19,938.72-29,908.08-6,087.72

Finding the Fourth Proportional to 19,938.72, 29,908.08 and 6,087.72

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Solution

The fourth proportional to 19,938.72, 29,908.08 and 6,087.72 is: 9,131.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,938.72 : 29,908.08 = 6,087.72 : x
  2. Step 2: Convert to fraction form
    19,938.72/29,908.08 = 6,087.72/x
  3. Step 3: Cross multiply
    19,938.72x = 29,908.08 × 6,087.72
  4. Step 4: Simplify right side
    19,938.72x = 182,072,016.78
  5. Step 5: Solve for x
    x = 182,072,016.78/19,938.72
  6. Step 6: Final answer
    x = 9,131.58

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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.