Home / 19,288.13-26,617.38-11,331.08

Finding the Fourth Proportional to 19,288.13, 26,617.38 and 11,331.08

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Solution

The fourth proportional to 19,288.13, 26,617.38 and 11,331.08 is: 15,636.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,288.13 : 26,617.38 = 11,331.08 : x
  2. Step 2: Convert to fraction form
    19,288.13/26,617.38 = 11,331.08/x
  3. Step 3: Cross multiply
    19,288.13x = 26,617.38 × 11,331.08
  4. Step 4: Simplify right side
    19,288.13x = 301,603,662.17
  5. Step 5: Solve for x
    x = 301,603,662.17/19,288.13
  6. Step 6: Final answer
    x = 15,636.75

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1.5x scale

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.