Home / 10,074.60-13,889.34-8,499.96

Finding the Fourth Proportional to 10,074.60, 13,889.34 and 8,499.96

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Solution

The fourth proportional to 10,074.60, 13,889.34 and 8,499.96 is: 11,718.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,074.60 : 13,889.34 = 8,499.96 : x
  2. Step 2: Convert to fraction form
    10,074.60/13,889.34 = 8,499.96/x
  3. Step 3: Cross multiply
    10,074.60x = 13,889.34 × 8,499.96
  4. Step 4: Simplify right side
    10,074.60x = 118,058,834.43
  5. Step 5: Solve for x
    x = 118,058,834.43/10,074.60
  6. Step 6: Final answer
    x = 11,718.46

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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.