Home / 14,069.80-19,417.50-8,103.40

Finding the Fourth Proportional to 14,069.80, 19,417.50 and 8,103.40

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Solution

The fourth proportional to 14,069.80, 19,417.50 and 8,103.40 is: 11,183.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,069.80 : 19,417.50 = 8,103.40 : x
  2. Step 2: Convert to fraction form
    14,069.80/19,417.50 = 8,103.40/x
  3. Step 3: Cross multiply
    14,069.80x = 19,417.50 × 8,103.40
  4. Step 4: Simplify right side
    14,069.80x = 157,347,769.50
  5. Step 5: Solve for x
    x = 157,347,769.50/14,069.80
  6. Step 6: Final answer
    x = 11,183.37

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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.