Home / 18,845.51-26,003.77-10,888.79

Finding the Fourth Proportional to 18,845.51, 26,003.77 and 10,888.79

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Solution

The fourth proportional to 18,845.51, 26,003.77 and 10,888.79 is: 15,024.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,845.51 : 26,003.77 = 10,888.79 : x
  2. Step 2: Convert to fraction form
    18,845.51/26,003.77 = 10,888.79/x
  3. Step 3: Cross multiply
    18,845.51x = 26,003.77 × 10,888.79
  4. Step 4: Simplify right side
    18,845.51x = 283,149,590.74
  5. Step 5: Solve for x
    x = 283,149,590.74/18,845.51
  6. Step 6: Final answer
    x = 15,024.78

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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.