Home / 13,889.35-20,829.70-4,653.19

Finding the Fourth Proportional to 13,889.35, 20,829.70 and 4,653.19

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Solution

The fourth proportional to 13,889.35, 20,829.70 and 4,653.19 is: 6,978.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889.35 : 20,829.70 = 4,653.19 : x
  2. Step 2: Convert to fraction form
    13,889.35/20,829.70 = 4,653.19/x
  3. Step 3: Cross multiply
    13,889.35x = 20,829.70 × 4,653.19
  4. Step 4: Simplify right side
    13,889.35x = 96,924,488.04
  5. Step 5: Solve for x
    x = 96,924,488.04/13,889.35
  6. Step 6: Final answer
    x = 6,978.33

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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.