Home / 10,099.95-15,151.19-3,345.81

Finding the Fourth Proportional to 10,099.95, 15,151.19 and 3,345.81

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Solution

The fourth proportional to 10,099.95, 15,151.19 and 3,345.81 is: 5,019.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,099.95 : 15,151.19 = 3,345.81 : x
  2. Step 2: Convert to fraction form
    10,099.95/15,151.19 = 3,345.81/x
  3. Step 3: Cross multiply
    10,099.95x = 15,151.19 × 3,345.81
  4. Step 4: Simplify right side
    10,099.95x = 50,693,003.01
  5. Step 5: Solve for x
    x = 50,693,003.01/10,099.95
  6. Step 6: Final answer
    x = 5,019.13

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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.