Home / 13,783.59-20,675.03-4,423.55

Finding the Fourth Proportional to 13,783.59, 20,675.03 and 4,423.55

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Solution

The fourth proportional to 13,783.59, 20,675.03 and 4,423.55 is: 6,635.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,783.59 : 20,675.03 = 4,423.55 : x
  2. Step 2: Convert to fraction form
    13,783.59/20,675.03 = 4,423.55/x
  3. Step 3: Cross multiply
    13,783.59x = 20,675.03 × 4,423.55
  4. Step 4: Simplify right side
    13,783.59x = 91,456,903.46
  5. Step 5: Solve for x
    x = 91,456,903.46/13,783.59
  6. Step 6: Final answer
    x = 6,635.20

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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.