Home / 18,289.68-25,239.78-10,734.54

Finding the Fourth Proportional to 18,289.68, 25,239.78 and 10,734.54

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Solution

The fourth proportional to 18,289.68, 25,239.78 and 10,734.54 is: 14,813.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,289.68 : 25,239.78 = 10,734.54 : x
  2. Step 2: Convert to fraction form
    18,289.68/25,239.78 = 10,734.54/x
  3. Step 3: Cross multiply
    18,289.68x = 25,239.78 × 10,734.54
  4. Step 4: Simplify right side
    18,289.68x = 270,937,428.00
  5. Step 5: Solve for x
    x = 270,937,428.00/18,289.68
  6. Step 6: Final answer
    x = 14,813.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.