Home / 14,257.86-19,675.05-7,884.09

Finding the Fourth Proportional to 14,257.86, 19,675.05 and 7,884.09

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Solution

The fourth proportional to 14,257.86, 19,675.05 and 7,884.09 is: 10,879.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,257.86 : 19,675.05 = 7,884.09 : x
  2. Step 2: Convert to fraction form
    14,257.86/19,675.05 = 7,884.09/x
  3. Step 3: Cross multiply
    14,257.86x = 19,675.05 × 7,884.09
  4. Step 4: Simplify right side
    14,257.86x = 155,119,864.95
  5. Step 5: Solve for x
    x = 155,119,864.95/14,257.86
  6. Step 6: Final answer
    x = 10,879.60

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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.