Home / 13,809.67-19,059.53-8,433.29

Finding the Fourth Proportional to 13,809.67, 19,059.53 and 8,433.29

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Solution

The fourth proportional to 13,809.67, 19,059.53 and 8,433.29 is: 11,639.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,809.67 : 19,059.53 = 8,433.29 : x
  2. Step 2: Convert to fraction form
    13,809.67/19,059.53 = 8,433.29/x
  3. Step 3: Cross multiply
    13,809.67x = 19,059.53 × 8,433.29
  4. Step 4: Simplify right side
    13,809.67x = 160,734,543.75
  5. Step 5: Solve for x
    x = 160,734,543.75/13,809.67
  6. Step 6: Final answer
    x = 11,639.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.