Home / 13,205.29-19,801.34-4,319.46

Finding the Fourth Proportional to 13,205.29, 19,801.34 and 4,319.46

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Solution

The fourth proportional to 13,205.29, 19,801.34 and 4,319.46 is: 6,477.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,205.29 : 19,801.34 = 4,319.46 : x
  2. Step 2: Convert to fraction form
    13,205.29/19,801.34 = 4,319.46/x
  3. Step 3: Cross multiply
    13,205.29x = 19,801.34 × 4,319.46
  4. Step 4: Simplify right side
    13,205.29x = 85,531,096.08
  5. Step 5: Solve for x
    x = 85,531,096.08/13,205.29
  6. Step 6: Final answer
    x = 6,477.03

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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.