Home / 13,714.08-18,925.29-7,745.73

Finding the Fourth Proportional to 13,714.08, 18,925.29 and 7,745.73

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Solution

The fourth proportional to 13,714.08, 18,925.29 and 7,745.73 is: 10,689.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,714.08 : 18,925.29 = 7,745.73 : x
  2. Step 2: Convert to fraction form
    13,714.08/18,925.29 = 7,745.73/x
  3. Step 3: Cross multiply
    13,714.08x = 18,925.29 × 7,745.73
  4. Step 4: Simplify right side
    13,714.08x = 146,590,186.51
  5. Step 5: Solve for x
    x = 146,590,186.51/13,714.08
  6. Step 6: Final answer
    x = 10,689.03

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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.