Home / 21,477.64-32,220.94-6,688.52

Finding the Fourth Proportional to 21,477.64, 32,220.94 and 6,688.52

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Solution

The fourth proportional to 21,477.64, 32,220.94 and 6,688.52 is: 10,034.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,477.64 : 32,220.94 = 6,688.52 : x
  2. Step 2: Convert to fraction form
    21,477.64/32,220.94 = 6,688.52/x
  3. Step 3: Cross multiply
    21,477.64x = 32,220.94 × 6,688.52
  4. Step 4: Simplify right side
    21,477.64x = 215,510,401.61
  5. Step 5: Solve for x
    x = 215,510,401.61/21,477.64
  6. Step 6: Final answer
    x = 10,034.18

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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.