Home / 14,054.78-19,394.84-7,766.75

Finding the Fourth Proportional to 14,054.78, 19,394.84 and 7,766.75

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Solution

The fourth proportional to 14,054.78, 19,394.84 and 7,766.75 is: 10,717.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,054.78 : 19,394.84 = 7,766.75 : x
  2. Step 2: Convert to fraction form
    14,054.78/19,394.84 = 7,766.75/x
  3. Step 3: Cross multiply
    14,054.78x = 19,394.84 × 7,766.75
  4. Step 4: Simplify right side
    14,054.78x = 150,634,834.74
  5. Step 5: Solve for x
    x = 150,634,834.74/14,054.78
  6. Step 6: Final answer
    x = 10,717.69

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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.