Home / 10,186.04-15,277.08-3,164.78

Finding the Fourth Proportional to 10,186.04, 15,277.08 and 3,164.78

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Solution

The fourth proportional to 10,186.04, 15,277.08 and 3,164.78 is: 4,746.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,186.04 : 15,277.08 = 3,164.78 : x
  2. Step 2: Convert to fraction form
    10,186.04/15,277.08 = 3,164.78/x
  3. Step 3: Cross multiply
    10,186.04x = 15,277.08 × 3,164.78
  4. Step 4: Simplify right side
    10,186.04x = 48,348,597.24
  5. Step 5: Solve for x
    x = 48,348,597.24/10,186.04
  6. Step 6: Final answer
    x = 4,746.55

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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.