Home / 10,230.48-15,346.04-3,990.24

Finding the Fourth Proportional to 10,230.48, 15,346.04 and 3,990.24

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Solution

The fourth proportional to 10,230.48, 15,346.04 and 3,990.24 is: 5,985.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,230.48 : 15,346.04 = 3,990.24 : x
  2. Step 2: Convert to fraction form
    10,230.48/15,346.04 = 3,990.24/x
  3. Step 3: Cross multiply
    10,230.48x = 15,346.04 × 3,990.24
  4. Step 4: Simplify right side
    10,230.48x = 61,234,362.70
  5. Step 5: Solve for x
    x = 61,234,362.70/10,230.48
  6. Step 6: Final answer
    x = 5,985.48

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Double scale
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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.