Home / 19,462.13-26,857.76-11,078.63

Finding the Fourth Proportional to 19,462.13, 26,857.76 and 11,078.63

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Solution

The fourth proportional to 19,462.13, 26,857.76 and 11,078.63 is: 15,288.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,462.13 : 26,857.76 = 11,078.63 : x
  2. Step 2: Convert to fraction form
    19,462.13/26,857.76 = 11,078.63/x
  3. Step 3: Cross multiply
    19,462.13x = 26,857.76 × 11,078.63
  4. Step 4: Simplify right side
    19,462.13x = 297,547,079.08
  5. Step 5: Solve for x
    x = 297,547,079.08/19,462.13
  6. Step 6: Final answer
    x = 15,288.52

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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.