Home / 10,207.88-15,292.34-6,915.32

Finding the Fourth Proportional to 10,207.88, 15,292.34 and 6,915.32

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Solution

The fourth proportional to 10,207.88, 15,292.34 and 6,915.32 is: 10,359.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207.88 : 15,292.34 = 6,915.32 : x
  2. Step 2: Convert to fraction form
    10,207.88/15,292.34 = 6,915.32/x
  3. Step 3: Cross multiply
    10,207.88x = 15,292.34 × 6,915.32
  4. Step 4: Simplify right side
    10,207.88x = 105,751,424.65
  5. Step 5: Solve for x
    x = 105,751,424.65/10,207.88
  6. Step 6: Final answer
    x = 10,359.78

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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.