Home / 21,518.16-32,265.72-9,199.44

Finding the Fourth Proportional to 21,518.16, 32,265.72 and 9,199.44

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Solution

The fourth proportional to 21,518.16, 32,265.72 and 9,199.44 is: 13,794.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,518.16 : 32,265.72 = 9,199.44 : x
  2. Step 2: Convert to fraction form
    21,518.16/32,265.72 = 9,199.44/x
  3. Step 3: Cross multiply
    21,518.16x = 32,265.72 × 9,199.44
  4. Step 4: Simplify right side
    21,518.16x = 296,826,555.20
  5. Step 5: Solve for x
    x = 296,826,555.20/21,518.16
  6. Step 6: Final answer
    x = 13,794.23

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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.