Home / 13,070.61-19,605.73-3,209.85

Finding the Fourth Proportional to 13,070.61, 19,605.73 and 3,209.85

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Solution

The fourth proportional to 13,070.61, 19,605.73 and 3,209.85 is: 4,814.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,070.61 : 19,605.73 = 3,209.85 : x
  2. Step 2: Convert to fraction form
    13,070.61/19,605.73 = 3,209.85/x
  3. Step 3: Cross multiply
    13,070.61x = 19,605.73 × 3,209.85
  4. Step 4: Simplify right side
    13,070.61x = 62,931,452.44
  5. Step 5: Solve for x
    x = 62,931,452.44/13,070.61
  6. Step 6: Final answer
    x = 4,814.73

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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.