Home / 19,943.34-29,907.56-6,613.89

Finding the Fourth Proportional to 19,943.34, 29,907.56 and 6,613.89

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Solution

The fourth proportional to 19,943.34, 29,907.56 and 6,613.89 is: 9,918.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,943.34 : 29,907.56 = 6,613.89 : x
  2. Step 2: Convert to fraction form
    19,943.34/29,907.56 = 6,613.89/x
  3. Step 3: Cross multiply
    19,943.34x = 29,907.56 × 6,613.89
  4. Step 4: Simplify right side
    19,943.34x = 197,805,278.94
  5. Step 5: Solve for x
    x = 197,805,278.94/19,943.34
  6. Step 6: Final answer
    x = 9,918.36

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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.