Home / 10,689.21-16,035.40-3,293.05

Finding the Fourth Proportional to 10,689.21, 16,035.40 and 3,293.05

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Solution

The fourth proportional to 10,689.21, 16,035.40 and 3,293.05 is: 4,940.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,689.21 : 16,035.40 = 3,293.05 : x
  2. Step 2: Convert to fraction form
    10,689.21/16,035.40 = 3,293.05/x
  3. Step 3: Cross multiply
    10,689.21x = 16,035.40 × 3,293.05
  4. Step 4: Simplify right side
    10,689.21x = 52,805,293.79
  5. Step 5: Solve for x
    x = 52,805,293.79/10,689.21
  6. Step 6: Final answer
    x = 4,940.06

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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.