Home / 9,419.49-14,143.11-5,267.64

Finding the Fourth Proportional to 9,419.49, 14,143.11 and 5,267.64

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Solution

The fourth proportional to 9,419.49, 14,143.11 and 5,267.64 is: 7,909.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,419.49 : 14,143.11 = 5,267.64 : x
  2. Step 2: Convert to fraction form
    9,419.49/14,143.11 = 5,267.64/x
  3. Step 3: Cross multiply
    9,419.49x = 14,143.11 × 5,267.64
  4. Step 4: Simplify right side
    9,419.49x = 74,500,811.96
  5. Step 5: Solve for x
    x = 74,500,811.96/9,419.49
  6. Step 6: Final answer
    x = 7,909.22

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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.