Home / 13,069.90-19,601.91-3,709.72

Finding the Fourth Proportional to 13,069.90, 19,601.91 and 3,709.72

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Solution

The fourth proportional to 13,069.90, 19,601.91 and 3,709.72 is: 5,563.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,069.90 : 19,601.91 = 3,709.72 : x
  2. Step 2: Convert to fraction form
    13,069.90/19,601.91 = 3,709.72/x
  3. Step 3: Cross multiply
    13,069.90x = 19,601.91 × 3,709.72
  4. Step 4: Simplify right side
    13,069.90x = 72,717,655.84
  5. Step 5: Solve for x
    x = 72,717,655.84/13,069.90
  6. Step 6: Final answer
    x = 5,563.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.