Home / 13,263.15-19,894.26-3,402.51

Finding the Fourth Proportional to 13,263.15, 19,894.26 and 3,402.51

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Solution

The fourth proportional to 13,263.15, 19,894.26 and 3,402.51 is: 5,103.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263.15 : 19,894.26 = 3,402.51 : x
  2. Step 2: Convert to fraction form
    13,263.15/19,894.26 = 3,402.51/x
  3. Step 3: Cross multiply
    13,263.15x = 19,894.26 × 3,402.51
  4. Step 4: Simplify right side
    13,263.15x = 67,690,418.59
  5. Step 5: Solve for x
    x = 67,690,418.59/13,263.15
  6. Step 6: Final answer
    x = 5,103.65

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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.