Home / 18,870.94-26,040.27-11,108.93

Finding the Fourth Proportional to 18,870.94, 26,040.27 and 11,108.93

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Solution

The fourth proportional to 18,870.94, 26,040.27 and 11,108.93 is: 15,329.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,870.94 : 26,040.27 = 11,108.93 : x
  2. Step 2: Convert to fraction form
    18,870.94/26,040.27 = 11,108.93/x
  3. Step 3: Cross multiply
    18,870.94x = 26,040.27 × 11,108.93
  4. Step 4: Simplify right side
    18,870.94x = 289,279,448.07
  5. Step 5: Solve for x
    x = 289,279,448.07/18,870.94
  6. Step 6: Final answer
    x = 15,329.36

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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.