Home / 19,460.16-26,856-11,079.36

Finding the Fourth Proportional to 19,460.16, 26,856 and 11,079.36

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Solution

The fourth proportional to 19,460.16, 26,856 and 11,079.36 is: 15,290.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,460.16 : 26,856 = 11,079.36 : x
  2. Step 2: Convert to fraction form
    19,460.16/26,856 = 11,079.36/x
  3. Step 3: Cross multiply
    19,460.16x = 26,856 × 11,079.36
  4. Step 4: Simplify right side
    19,460.16x = 297,547,292.16
  5. Step 5: Solve for x
    x = 297,547,292.16/19,460.16
  6. Step 6: Final answer
    x = 15,290.07

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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.