Home / 10,190.04-15,279.12-3,168.16

Finding the Fourth Proportional to 10,190.04, 15,279.12 and 3,168.16

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Solution

The fourth proportional to 10,190.04, 15,279.12 and 3,168.16 is: 4,750.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,190.04 : 15,279.12 = 3,168.16 : x
  2. Step 2: Convert to fraction form
    10,190.04/15,279.12 = 3,168.16/x
  3. Step 3: Cross multiply
    10,190.04x = 15,279.12 × 3,168.16
  4. Step 4: Simplify right side
    10,190.04x = 48,406,696.82
  5. Step 5: Solve for x
    x = 48,406,696.82/10,190.04
  6. Step 6: Final answer
    x = 4,750.39

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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.