Home / 13,263.99-19,894.37-5,471.79

Finding the Fourth Proportional to 13,263.99, 19,894.37 and 5,471.79

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Solution

The fourth proportional to 13,263.99, 19,894.37 and 5,471.79 is: 8,207.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263.99 : 19,894.37 = 5,471.79 : x
  2. Step 2: Convert to fraction form
    13,263.99/19,894.37 = 5,471.79/x
  3. Step 3: Cross multiply
    13,263.99x = 19,894.37 × 5,471.79
  4. Step 4: Simplify right side
    13,263.99x = 108,857,787.46
  5. Step 5: Solve for x
    x = 108,857,787.46/13,263.99
  6. Step 6: Final answer
    x = 8,207.02

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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.