Home / 21,585.93-32,380.20-9,093.48

Finding the Fourth Proportional to 21,585.93, 32,380.20 and 9,093.48

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Solution

The fourth proportional to 21,585.93, 32,380.20 and 9,093.48 is: 13,640.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,585.93 : 32,380.20 = 9,093.48 : x
  2. Step 2: Convert to fraction form
    21,585.93/32,380.20 = 9,093.48/x
  3. Step 3: Cross multiply
    21,585.93x = 32,380.20 × 9,093.48
  4. Step 4: Simplify right side
    21,585.93x = 294,448,701.10
  5. Step 5: Solve for x
    x = 294,448,701.10/21,585.93
  6. Step 6: Final answer
    x = 13,640.77

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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.