Home / 19,130.85-28,688.99-5,801.09

Finding the Fourth Proportional to 19,130.85, 28,688.99 and 5,801.09

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Solution

The fourth proportional to 19,130.85, 28,688.99 and 5,801.09 is: 8,699.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,130.85 : 28,688.99 = 5,801.09 : x
  2. Step 2: Convert to fraction form
    19,130.85/28,688.99 = 5,801.09/x
  3. Step 3: Cross multiply
    19,130.85x = 28,688.99 × 5,801.09
  4. Step 4: Simplify right side
    19,130.85x = 166,427,240.55
  5. Step 5: Solve for x
    x = 166,427,240.55/19,130.85
  6. Step 6: Final answer
    x = 8,699.42

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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.