Home / 15,032.72-20,745.96-9,445.52

Finding the Fourth Proportional to 15,032.72, 20,745.96 and 9,445.52

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Solution

The fourth proportional to 15,032.72, 20,745.96 and 9,445.52 is: 13,035.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,032.72 : 20,745.96 = 9,445.52 : x
  2. Step 2: Convert to fraction form
    15,032.72/20,745.96 = 9,445.52/x
  3. Step 3: Cross multiply
    15,032.72x = 20,745.96 × 9,445.52
  4. Step 4: Simplify right side
    15,032.72x = 195,956,380.10
  5. Step 5: Solve for x
    x = 195,956,380.10/15,032.72
  6. Step 6: Final answer
    x = 13,035.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.