Home / 14,254.03-19,668.86-7,879.77

Finding the Fourth Proportional to 14,254.03, 19,668.86 and 7,879.77

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Solution

The fourth proportional to 14,254.03, 19,668.86 and 7,879.77 is: 10,873.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,254.03 : 19,668.86 = 7,879.77 : x
  2. Step 2: Convert to fraction form
    14,254.03/19,668.86 = 7,879.77/x
  3. Step 3: Cross multiply
    14,254.03x = 19,668.86 × 7,879.77
  4. Step 4: Simplify right side
    14,254.03x = 154,986,092.96
  5. Step 5: Solve for x
    x = 154,986,092.96/14,254.03
  6. Step 6: Final answer
    x = 10,873.14

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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.