Home / 19,291.36-28,937.04-6,147.76

Finding the Fourth Proportional to 19,291.36, 28,937.04 and 6,147.76

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Solution

The fourth proportional to 19,291.36, 28,937.04 and 6,147.76 is: 9,221.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,291.36 : 28,937.04 = 6,147.76 : x
  2. Step 2: Convert to fraction form
    19,291.36/28,937.04 = 6,147.76/x
  3. Step 3: Cross multiply
    19,291.36x = 28,937.04 × 6,147.76
  4. Step 4: Simplify right side
    19,291.36x = 177,897,977.03
  5. Step 5: Solve for x
    x = 177,897,977.03/19,291.36
  6. Step 6: Final answer
    x = 9,221.64

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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.