Home / 10,703.90-16,057.05-3,308.30

Finding the Fourth Proportional to 10,703.90, 16,057.05 and 3,308.30

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Solution

The fourth proportional to 10,703.90, 16,057.05 and 3,308.30 is: 4,962.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,703.90 : 16,057.05 = 3,308.30 : x
  2. Step 2: Convert to fraction form
    10,703.90/16,057.05 = 3,308.30/x
  3. Step 3: Cross multiply
    10,703.90x = 16,057.05 × 3,308.30
  4. Step 4: Simplify right side
    10,703.90x = 53,121,538.52
  5. Step 5: Solve for x
    x = 53,121,538.52/10,703.90
  6. Step 6: Final answer
    x = 4,962.82

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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.