Home / 19,418.40-26,794.08-10,918.32

Finding the Fourth Proportional to 19,418.40, 26,794.08 and 10,918.32

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Solution

The fourth proportional to 19,418.40, 26,794.08 and 10,918.32 is: 15,065.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,418.40 : 26,794.08 = 10,918.32 : x
  2. Step 2: Convert to fraction form
    19,418.40/26,794.08 = 10,918.32/x
  3. Step 3: Cross multiply
    19,418.40x = 26,794.08 × 10,918.32
  4. Step 4: Simplify right side
    19,418.40x = 292,546,339.55
  5. Step 5: Solve for x
    x = 292,546,339.55/19,418.40
  6. Step 6: Final answer
    x = 15,065.42

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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.