Home / 10,206.32-15,310.08-3,187.34

Finding the Fourth Proportional to 10,206.32, 15,310.08 and 3,187.34

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Solution

The fourth proportional to 10,206.32, 15,310.08 and 3,187.34 is: 4,781.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206.32 : 15,310.08 = 3,187.34 : x
  2. Step 2: Convert to fraction form
    10,206.32/15,310.08 = 3,187.34/x
  3. Step 3: Cross multiply
    10,206.32x = 15,310.08 × 3,187.34
  4. Step 4: Simplify right side
    10,206.32x = 48,798,430.39
  5. Step 5: Solve for x
    x = 48,798,430.39/10,206.32
  6. Step 6: Final answer
    x = 4,781.20

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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.