Home / 10,187.79-15,285.74-3,614.64

Finding the Fourth Proportional to 10,187.79, 15,285.74 and 3,614.64

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Solution

The fourth proportional to 10,187.79, 15,285.74 and 3,614.64 is: 5,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,187.79 : 15,285.74 = 3,614.64 : x
  2. Step 2: Convert to fraction form
    10,187.79/15,285.74 = 3,614.64/x
  3. Step 3: Cross multiply
    10,187.79x = 15,285.74 × 3,614.64
  4. Step 4: Simplify right side
    10,187.79x = 55,252,429.16
  5. Step 5: Solve for x
    x = 55,252,429.16/10,187.79
  6. Step 6: Final answer
    x = 5,423.40

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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.