Home / 21,562.30-32,333.21-7,520.62

Finding the Fourth Proportional to 21,562.30, 32,333.21 and 7,520.62

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Solution

The fourth proportional to 21,562.30, 32,333.21 and 7,520.62 is: 11,277.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,562.30 : 32,333.21 = 7,520.62 : x
  2. Step 2: Convert to fraction form
    21,562.30/32,333.21 = 7,520.62/x
  3. Step 3: Cross multiply
    21,562.30x = 32,333.21 × 7,520.62
  4. Step 4: Simplify right side
    21,562.30x = 243,165,748.19
  5. Step 5: Solve for x
    x = 243,165,748.19/21,562.30
  6. Step 6: Final answer
    x = 11,277.36

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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.