Home / 13,783.18-20,673.06-4,422.46

Finding the Fourth Proportional to 13,783.18, 20,673.06 and 4,422.46

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Solution

The fourth proportional to 13,783.18, 20,673.06 and 4,422.46 is: 6,633.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,783.18 : 20,673.06 = 4,422.46 : x
  2. Step 2: Convert to fraction form
    13,783.18/20,673.06 = 4,422.46/x
  3. Step 3: Cross multiply
    13,783.18x = 20,673.06 × 4,422.46
  4. Step 4: Simplify right side
    13,783.18x = 91,425,780.93
  5. Step 5: Solve for x
    x = 91,425,780.93/13,783.18
  6. Step 6: Final answer
    x = 6,633.14

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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.