Home / 13,714.08-18,926.10-7,746

Finding the Fourth Proportional to 13,714.08, 18,926.10 and 7,746

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Solution

The fourth proportional to 13,714.08, 18,926.10 and 7,746 is: 10,689.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,714.08 : 18,926.10 = 7,746 : x
  2. Step 2: Convert to fraction form
    13,714.08/18,926.10 = 7,746/x
  3. Step 3: Cross multiply
    13,714.08x = 18,926.10 × 7,746
  4. Step 4: Simplify right side
    13,714.08x = 146,601,570.60
  5. Step 5: Solve for x
    x = 146,601,570.60/13,714.08
  6. Step 6: Final answer
    x = 10,689.86

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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.