Home / 10,431.20-14,393.66-5,954.67

Finding the Fourth Proportional to 10,431.20, 14,393.66 and 5,954.67

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Solution

The fourth proportional to 10,431.20, 14,393.66 and 5,954.67 is: 8,216.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431.20 : 14,393.66 = 5,954.67 : x
  2. Step 2: Convert to fraction form
    10,431.20/14,393.66 = 5,954.67/x
  3. Step 3: Cross multiply
    10,431.20x = 14,393.66 × 5,954.67
  4. Step 4: Simplify right side
    10,431.20x = 85,709,465.62
  5. Step 5: Solve for x
    x = 85,709,465.62/10,431.20
  6. Step 6: Final answer
    x = 8,216.64

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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.