Home / 21,519.47-32,219.33-10,966.74

Finding the Fourth Proportional to 21,519.47, 32,219.33 and 10,966.74

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Solution

The fourth proportional to 21,519.47, 32,219.33 and 10,966.74 is: 16,419.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,519.47 : 32,219.33 = 10,966.74 : x
  2. Step 2: Convert to fraction form
    21,519.47/32,219.33 = 10,966.74/x
  3. Step 3: Cross multiply
    21,519.47x = 32,219.33 × 10,966.74
  4. Step 4: Simplify right side
    21,519.47x = 353,341,042.50
  5. Step 5: Solve for x
    x = 353,341,042.50/21,519.47
  6. Step 6: Final answer
    x = 16,419.60

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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.