Home / 18,855.05-26,026.07-13,565.25

Finding the Fourth Proportional to 18,855.05, 26,026.07 and 13,565.25

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Solution

The fourth proportional to 18,855.05, 26,026.07 and 13,565.25 is: 18,724.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,855.05 : 26,026.07 = 13,565.25 : x
  2. Step 2: Convert to fraction form
    18,855.05/26,026.07 = 13,565.25/x
  3. Step 3: Cross multiply
    18,855.05x = 26,026.07 × 13,565.25
  4. Step 4: Simplify right side
    18,855.05x = 353,050,078.24
  5. Step 5: Solve for x
    x = 353,050,078.24/18,855.05
  6. Step 6: Final answer
    x = 18,724.44

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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.