Home / 21,889.34-32,841.30-7,098.74

Finding the Fourth Proportional to 21,889.34, 32,841.30 and 7,098.74

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Solution

The fourth proportional to 21,889.34, 32,841.30 and 7,098.74 is: 10,650.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,889.34 : 32,841.30 = 7,098.74 : x
  2. Step 2: Convert to fraction form
    21,889.34/32,841.30 = 7,098.74/x
  3. Step 3: Cross multiply
    21,889.34x = 32,841.30 × 7,098.74
  4. Step 4: Simplify right side
    21,889.34x = 233,131,849.96
  5. Step 5: Solve for x
    x = 233,131,849.96/21,889.34
  6. Step 6: Final answer
    x = 10,650.47

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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.