Home / 19,861.25-29,791.84-5,070.16

Finding the Fourth Proportional to 19,861.25, 29,791.84 and 5,070.16

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Solution

The fourth proportional to 19,861.25, 29,791.84 and 5,070.16 is: 7,605.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,861.25 : 29,791.84 = 5,070.16 : x
  2. Step 2: Convert to fraction form
    19,861.25/29,791.84 = 5,070.16/x
  3. Step 3: Cross multiply
    19,861.25x = 29,791.84 × 5,070.16
  4. Step 4: Simplify right side
    19,861.25x = 151,049,395.49
  5. Step 5: Solve for x
    x = 151,049,395.49/19,861.25
  6. Step 6: Final answer
    x = 7,605.23

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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.