Home / 10,289.32-15,425.34-4,137.64

Finding the Fourth Proportional to 10,289.32, 15,425.34 and 4,137.64

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Solution

The fourth proportional to 10,289.32, 15,425.34 and 4,137.64 is: 6,202.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.32 : 15,425.34 = 4,137.64 : x
  2. Step 2: Convert to fraction form
    10,289.32/15,425.34 = 4,137.64/x
  3. Step 3: Cross multiply
    10,289.32x = 15,425.34 × 4,137.64
  4. Step 4: Simplify right side
    10,289.32x = 63,824,503.80
  5. Step 5: Solve for x
    x = 63,824,503.80/10,289.32
  6. Step 6: Final answer
    x = 6,202.99

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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.