Home / 11,713.79-17,573.03-4,318.28

Finding the Fourth Proportional to 11,713.79, 17,573.03 and 4,318.28

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Solution

The fourth proportional to 11,713.79, 17,573.03 and 4,318.28 is: 6,478.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,713.79 : 17,573.03 = 4,318.28 : x
  2. Step 2: Convert to fraction form
    11,713.79/17,573.03 = 4,318.28/x
  3. Step 3: Cross multiply
    11,713.79x = 17,573.03 × 4,318.28
  4. Step 4: Simplify right side
    11,713.79x = 75,885,263.99
  5. Step 5: Solve for x
    x = 75,885,263.99/11,713.79
  6. Step 6: Final answer
    x = 6,478.28

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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.