Home / 15,384.79-23,077.18-4,855.87

Finding the Fourth Proportional to 15,384.79, 23,077.18 and 4,855.87

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Solution

The fourth proportional to 15,384.79, 23,077.18 and 4,855.87 is: 7,283.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,384.79 : 23,077.18 = 4,855.87 : x
  2. Step 2: Convert to fraction form
    15,384.79/23,077.18 = 4,855.87/x
  3. Step 3: Cross multiply
    15,384.79x = 23,077.18 × 4,855.87
  4. Step 4: Simplify right side
    15,384.79x = 112,059,786.05
  5. Step 5: Solve for x
    x = 112,059,786.05/15,384.79
  6. Step 6: Final answer
    x = 7,283.80

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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.