Home / 18,835.33-28,253.54-10,510.69

Finding the Fourth Proportional to 18,835.33, 28,253.54 and 10,510.69

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Solution

The fourth proportional to 18,835.33, 28,253.54 and 10,510.69 is: 15,766.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,835.33 : 28,253.54 = 10,510.69 : x
  2. Step 2: Convert to fraction form
    18,835.33/28,253.54 = 10,510.69/x
  3. Step 3: Cross multiply
    18,835.33x = 28,253.54 × 10,510.69
  4. Step 4: Simplify right side
    18,835.33x = 296,964,147.79
  5. Step 5: Solve for x
    x = 296,964,147.79/18,835.33
  6. Step 6: Final answer
    x = 15,766.34

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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.