Home / 21,461.55-32,192.32-9,766.56

Finding the Fourth Proportional to 21,461.55, 32,192.32 and 9,766.56

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Solution

The fourth proportional to 21,461.55, 32,192.32 and 9,766.56 is: 14,649.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,461.55 : 32,192.32 = 9,766.56 : x
  2. Step 2: Convert to fraction form
    21,461.55/32,192.32 = 9,766.56/x
  3. Step 3: Cross multiply
    21,461.55x = 32,192.32 × 9,766.56
  4. Step 4: Simplify right side
    21,461.55x = 314,408,224.82
  5. Step 5: Solve for x
    x = 314,408,224.82/21,461.55
  6. Step 6: Final answer
    x = 14,649.84

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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.