Home / 15,428.94-23,143.42-4,900.08

Finding the Fourth Proportional to 15,428.94, 23,143.42 and 4,900.08

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Solution

The fourth proportional to 15,428.94, 23,143.42 and 4,900.08 is: 7,350.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428.94 : 23,143.42 = 4,900.08 : x
  2. Step 2: Convert to fraction form
    15,428.94/23,143.42 = 4,900.08/x
  3. Step 3: Cross multiply
    15,428.94x = 23,143.42 × 4,900.08
  4. Step 4: Simplify right side
    15,428.94x = 113,404,609.47
  5. Step 5: Solve for x
    x = 113,404,609.47/15,428.94
  6. Step 6: Final answer
    x = 7,350.12

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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.