Home / 21,483.42-32,211.15-9,011.44

Finding the Fourth Proportional to 21,483.42, 32,211.15 and 9,011.44

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Solution

The fourth proportional to 21,483.42, 32,211.15 and 9,011.44 is: 13,511.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,483.42 : 32,211.15 = 9,011.44 : x
  2. Step 2: Convert to fraction form
    21,483.42/32,211.15 = 9,011.44/x
  3. Step 3: Cross multiply
    21,483.42x = 32,211.15 × 9,011.44
  4. Step 4: Simplify right side
    21,483.42x = 290,268,845.56
  5. Step 5: Solve for x
    x = 290,268,845.56/21,483.42
  6. Step 6: Final answer
    x = 13,511.30

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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.