Home / 13,894.08-19,174.84-7,925.88

Finding the Fourth Proportional to 13,894.08, 19,174.84 and 7,925.88

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Solution

The fourth proportional to 13,894.08, 19,174.84 and 7,925.88 is: 10,938.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,894.08 : 19,174.84 = 7,925.88 : x
  2. Step 2: Convert to fraction form
    13,894.08/19,174.84 = 7,925.88/x
  3. Step 3: Cross multiply
    13,894.08x = 19,174.84 × 7,925.88
  4. Step 4: Simplify right side
    13,894.08x = 151,977,480.86
  5. Step 5: Solve for x
    x = 151,977,480.86/13,894.08
  6. Step 6: Final answer
    x = 10,938.29

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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.