Home / 18,911.07-26,100.44-10,958.13

Finding the Fourth Proportional to 18,911.07, 26,100.44 and 10,958.13

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Solution

The fourth proportional to 18,911.07, 26,100.44 and 10,958.13 is: 15,124.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,911.07 : 26,100.44 = 10,958.13 : x
  2. Step 2: Convert to fraction form
    18,911.07/26,100.44 = 10,958.13/x
  3. Step 3: Cross multiply
    18,911.07x = 26,100.44 × 10,958.13
  4. Step 4: Simplify right side
    18,911.07x = 286,012,014.58
  5. Step 5: Solve for x
    x = 286,012,014.58/18,911.07
  6. Step 6: Final answer
    x = 15,124.05

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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.