Home / 11,391.49-17,088.44-4,818.34

Finding the Fourth Proportional to 11,391.49, 17,088.44 and 4,818.34

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Solution

The fourth proportional to 11,391.49, 17,088.44 and 4,818.34 is: 7,228.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,391.49 : 17,088.44 = 4,818.34 : x
  2. Step 2: Convert to fraction form
    11,391.49/17,088.44 = 4,818.34/x
  3. Step 3: Cross multiply
    11,391.49x = 17,088.44 × 4,818.34
  4. Step 4: Simplify right side
    11,391.49x = 82,337,913.99
  5. Step 5: Solve for x
    x = 82,337,913.99/11,391.49
  6. Step 6: Final answer
    x = 7,228.02

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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.