Home / 18,835.79-28,254.10-4,795.76

Finding the Fourth Proportional to 18,835.79, 28,254.10 and 4,795.76

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Solution

The fourth proportional to 18,835.79, 28,254.10 and 4,795.76 is: 7,193.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,835.79 : 28,254.10 = 4,795.76 : x
  2. Step 2: Convert to fraction form
    18,835.79/28,254.10 = 4,795.76/x
  3. Step 3: Cross multiply
    18,835.79x = 28,254.10 × 4,795.76
  4. Step 4: Simplify right side
    18,835.79x = 135,499,882.62
  5. Step 5: Solve for x
    x = 135,499,882.62/18,835.79
  6. Step 6: Final answer
    x = 7,193.75

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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.