Home / 19,837.60-29,756.40-5,984.80

Finding the Fourth Proportional to 19,837.60, 29,756.40 and 5,984.80

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Solution

The fourth proportional to 19,837.60, 29,756.40 and 5,984.80 is: 8,977.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,837.60 : 29,756.40 = 5,984.80 : x
  2. Step 2: Convert to fraction form
    19,837.60/29,756.40 = 5,984.80/x
  3. Step 3: Cross multiply
    19,837.60x = 29,756.40 × 5,984.80
  4. Step 4: Simplify right side
    19,837.60x = 178,086,102.72
  5. Step 5: Solve for x
    x = 178,086,102.72/19,837.60
  6. Step 6: Final answer
    x = 8,977.20

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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.