Home / 13,110.30-19,714.05-10,971.90

Finding the Fourth Proportional to 13,110.30, 19,714.05 and 10,971.90

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Solution

The fourth proportional to 13,110.30, 19,714.05 and 10,971.90 is: 16,498.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110.30 : 19,714.05 = 10,971.90 : x
  2. Step 2: Convert to fraction form
    13,110.30/19,714.05 = 10,971.90/x
  3. Step 3: Cross multiply
    13,110.30x = 19,714.05 × 10,971.90
  4. Step 4: Simplify right side
    13,110.30x = 216,300,585.20
  5. Step 5: Solve for x
    x = 216,300,585.20/13,110.30
  6. Step 6: Final answer
    x = 16,498.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.