Home / 10,427.24-14,378.34-7,913.96

Finding the Fourth Proportional to 10,427.24, 14,378.34 and 7,913.96

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Solution

The fourth proportional to 10,427.24, 14,378.34 and 7,913.96 is: 10,912.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,427.24 : 14,378.34 = 7,913.96 : x
  2. Step 2: Convert to fraction form
    10,427.24/14,378.34 = 7,913.96/x
  3. Step 3: Cross multiply
    10,427.24x = 14,378.34 × 7,913.96
  4. Step 4: Simplify right side
    10,427.24x = 113,789,607.63
  5. Step 5: Solve for x
    x = 113,789,607.63/10,427.24
  6. Step 6: Final answer
    x = 10,912.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.