Home / 10,308.09-15,455.42-6,787.44

Finding the Fourth Proportional to 10,308.09, 15,455.42 and 6,787.44

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Solution

The fourth proportional to 10,308.09, 15,455.42 and 6,787.44 is: 10,176.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,308.09 : 15,455.42 = 6,787.44 : x
  2. Step 2: Convert to fraction form
    10,308.09/15,455.42 = 6,787.44/x
  3. Step 3: Cross multiply
    10,308.09x = 15,455.42 × 6,787.44
  4. Step 4: Simplify right side
    10,308.09x = 104,902,701.99
  5. Step 5: Solve for x
    x = 104,902,701.99/10,308.09
  6. Step 6: Final answer
    x = 10,176.74

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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.