Home / 10,188.05-15,276.13-3,166.16

Finding the Fourth Proportional to 10,188.05, 15,276.13 and 3,166.16

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Solution

The fourth proportional to 10,188.05, 15,276.13 and 3,166.16 is: 4,747.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,188.05 : 15,276.13 = 3,166.16 : x
  2. Step 2: Convert to fraction form
    10,188.05/15,276.13 = 3,166.16/x
  3. Step 3: Cross multiply
    10,188.05x = 15,276.13 × 3,166.16
  4. Step 4: Simplify right side
    10,188.05x = 48,366,587.46
  5. Step 5: Solve for x
    x = 48,366,587.46/10,188.05
  6. Step 6: Final answer
    x = 4,747.39

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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.