Home / 21,459.52-32,193.60-7,606.72

Finding the Fourth Proportional to 21,459.52, 32,193.60 and 7,606.72

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Solution

The fourth proportional to 21,459.52, 32,193.60 and 7,606.72 is: 11,411.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,459.52 : 32,193.60 = 7,606.72 : x
  2. Step 2: Convert to fraction form
    21,459.52/32,193.60 = 7,606.72/x
  3. Step 3: Cross multiply
    21,459.52x = 32,193.60 × 7,606.72
  4. Step 4: Simplify right side
    21,459.52x = 244,887,700.99
  5. Step 5: Solve for x
    x = 244,887,700.99/21,459.52
  6. Step 6: Final answer
    x = 11,411.61

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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.