Home / 12,693.60-19,044.29-5,679.51

Finding the Fourth Proportional to 12,693.60, 19,044.29 and 5,679.51

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Solution

The fourth proportional to 12,693.60, 19,044.29 and 5,679.51 is: 8,521.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,693.60 : 19,044.29 = 5,679.51 : x
  2. Step 2: Convert to fraction form
    12,693.60/19,044.29 = 5,679.51/x
  3. Step 3: Cross multiply
    12,693.60x = 19,044.29 × 5,679.51
  4. Step 4: Simplify right side
    12,693.60x = 108,162,207.10
  5. Step 5: Solve for x
    x = 108,162,207.10/12,693.60
  6. Step 6: Final answer
    x = 8,521.00

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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.