Home / 10,907.36-16,353.74-4,331.78

Finding the Fourth Proportional to 10,907.36, 16,353.74 and 4,331.78

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Solution

The fourth proportional to 10,907.36, 16,353.74 and 4,331.78 is: 6,494.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,907.36 : 16,353.74 = 4,331.78 : x
  2. Step 2: Convert to fraction form
    10,907.36/16,353.74 = 4,331.78/x
  3. Step 3: Cross multiply
    10,907.36x = 16,353.74 × 4,331.78
  4. Step 4: Simplify right side
    10,907.36x = 70,840,803.86
  5. Step 5: Solve for x
    x = 70,840,803.86/10,907.36
  6. Step 6: Final answer
    x = 6,494.77

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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.