Home / 19,488.33-26,898.19-12,670.48

Finding the Fourth Proportional to 19,488.33, 26,898.19 and 12,670.48

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Solution

The fourth proportional to 19,488.33, 26,898.19 and 12,670.48 is: 17,488.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,488.33 : 26,898.19 = 12,670.48 : x
  2. Step 2: Convert to fraction form
    19,488.33/26,898.19 = 12,670.48/x
  3. Step 3: Cross multiply
    19,488.33x = 26,898.19 × 12,670.48
  4. Step 4: Simplify right side
    19,488.33x = 340,812,978.43
  5. Step 5: Solve for x
    x = 340,812,978.43/19,488.33
  6. Step 6: Final answer
    x = 17,488.06

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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.