Home / 14,853.58-20,497.97-8,139.07

Finding the Fourth Proportional to 14,853.58, 20,497.97 and 8,139.07

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Solution

The fourth proportional to 14,853.58, 20,497.97 and 8,139.07 is: 11,231.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,853.58 : 20,497.97 = 8,139.07 : x
  2. Step 2: Convert to fraction form
    14,853.58/20,497.97 = 8,139.07/x
  3. Step 3: Cross multiply
    14,853.58x = 20,497.97 × 8,139.07
  4. Step 4: Simplify right side
    14,853.58x = 166,834,269.50
  5. Step 5: Solve for x
    x = 166,834,269.50/14,853.58
  6. Step 6: Final answer
    x = 11,231.93

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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.