Home / 13,925.94-19,207.80-9,620.70

Finding the Fourth Proportional to 13,925.94, 19,207.80 and 9,620.70

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Solution

The fourth proportional to 13,925.94, 19,207.80 and 9,620.70 is: 13,269.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.94 : 19,207.80 = 9,620.70 : x
  2. Step 2: Convert to fraction form
    13,925.94/19,207.80 = 9,620.70/x
  3. Step 3: Cross multiply
    13,925.94x = 19,207.80 × 9,620.70
  4. Step 4: Simplify right side
    13,925.94x = 184,792,481.46
  5. Step 5: Solve for x
    x = 184,792,481.46/13,925.94
  6. Step 6: Final answer
    x = 13,269.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.