Home / 18,891.36-26,071.43-11,337.48

Finding the Fourth Proportional to 18,891.36, 26,071.43 and 11,337.48

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Solution

The fourth proportional to 18,891.36, 26,071.43 and 11,337.48 is: 15,646.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,891.36 : 26,071.43 = 11,337.48 : x
  2. Step 2: Convert to fraction form
    18,891.36/26,071.43 = 11,337.48/x
  3. Step 3: Cross multiply
    18,891.36x = 26,071.43 × 11,337.48
  4. Step 4: Simplify right side
    18,891.36x = 295,584,259.51
  5. Step 5: Solve for x
    x = 295,584,259.51/18,891.36
  6. Step 6: Final answer
    x = 15,646.53

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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.