Home / 14,396.28-19,866.92-8,347.70

Finding the Fourth Proportional to 14,396.28, 19,866.92 and 8,347.70

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Solution

The fourth proportional to 14,396.28, 19,866.92 and 8,347.70 is: 11,519.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,396.28 : 19,866.92 = 8,347.70 : x
  2. Step 2: Convert to fraction form
    14,396.28/19,866.92 = 8,347.70/x
  3. Step 3: Cross multiply
    14,396.28x = 19,866.92 × 8,347.70
  4. Step 4: Simplify right side
    14,396.28x = 165,843,088.08
  5. Step 5: Solve for x
    x = 165,843,088.08/14,396.28
  6. Step 6: Final answer
    x = 11,519.86

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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.