Home / 19,181.96-28,731.28-9,300.48

Finding the Fourth Proportional to 19,181.96, 28,731.28 and 9,300.48

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Solution

The fourth proportional to 19,181.96, 28,731.28 and 9,300.48 is: 13,930.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,181.96 : 28,731.28 = 9,300.48 : x
  2. Step 2: Convert to fraction form
    19,181.96/28,731.28 = 9,300.48/x
  3. Step 3: Cross multiply
    19,181.96x = 28,731.28 × 9,300.48
  4. Step 4: Simplify right side
    19,181.96x = 267,214,695.01
  5. Step 5: Solve for x
    x = 267,214,695.01/19,181.96
  6. Step 6: Final answer
    x = 13,930.52

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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.