Home / 13,569.94-18,725.97-7,904.86

Finding the Fourth Proportional to 13,569.94, 18,725.97 and 7,904.86

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Solution

The fourth proportional to 13,569.94, 18,725.97 and 7,904.86 is: 10,908.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,569.94 : 18,725.97 = 7,904.86 : x
  2. Step 2: Convert to fraction form
    13,569.94/18,725.97 = 7,904.86/x
  3. Step 3: Cross multiply
    13,569.94x = 18,725.97 × 7,904.86
  4. Step 4: Simplify right side
    13,569.94x = 148,026,171.21
  5. Step 5: Solve for x
    x = 148,026,171.21/13,569.94
  6. Step 6: Final answer
    x = 10,908.39

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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.