Home / 13,280.85-19,916.69-5,890.48

Finding the Fourth Proportional to 13,280.85, 19,916.69 and 5,890.48

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Solution

The fourth proportional to 13,280.85, 19,916.69 and 5,890.48 is: 8,833.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280.85 : 19,916.69 = 5,890.48 : x
  2. Step 2: Convert to fraction form
    13,280.85/19,916.69 = 5,890.48/x
  3. Step 3: Cross multiply
    13,280.85x = 19,916.69 × 5,890.48
  4. Step 4: Simplify right side
    13,280.85x = 117,318,784.87
  5. Step 5: Solve for x
    x = 117,318,784.87/13,280.85
  6. Step 6: Final answer
    x = 8,833.68

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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.