Home / 19,837.89-29,756.85-5,986.89

Finding the Fourth Proportional to 19,837.89, 29,756.85 and 5,986.89

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Solution

The fourth proportional to 19,837.89, 29,756.85 and 5,986.89 is: 8,980.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,837.89 : 29,756.85 = 5,986.89 : x
  2. Step 2: Convert to fraction form
    19,837.89/29,756.85 = 5,986.89/x
  3. Step 3: Cross multiply
    19,837.89x = 29,756.85 × 5,986.89
  4. Step 4: Simplify right side
    19,837.89x = 178,150,987.70
  5. Step 5: Solve for x
    x = 178,150,987.70/19,837.89
  6. Step 6: Final answer
    x = 8,980.34

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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.