Home / 10,541.99-15,812.44-3,146.51

Finding the Fourth Proportional to 10,541.99, 15,812.44 and 3,146.51

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Solution

The fourth proportional to 10,541.99, 15,812.44 and 3,146.51 is: 4,719.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,541.99 : 15,812.44 = 3,146.51 : x
  2. Step 2: Convert to fraction form
    10,541.99/15,812.44 = 3,146.51/x
  3. Step 3: Cross multiply
    10,541.99x = 15,812.44 × 3,146.51
  4. Step 4: Simplify right side
    10,541.99x = 49,754,000.58
  5. Step 5: Solve for x
    x = 49,754,000.58/10,541.99
  6. Step 6: Final answer
    x = 4,719.60

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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.