Home / 13,828.20-20,742.30-4,594.20

Finding the Fourth Proportional to 13,828.20, 20,742.30 and 4,594.20

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Solution

The fourth proportional to 13,828.20, 20,742.30 and 4,594.20 is: 6,891.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,828.20 : 20,742.30 = 4,594.20 : x
  2. Step 2: Convert to fraction form
    13,828.20/20,742.30 = 4,594.20/x
  3. Step 3: Cross multiply
    13,828.20x = 20,742.30 × 4,594.20
  4. Step 4: Simplify right side
    13,828.20x = 95,294,274.66
  5. Step 5: Solve for x
    x = 95,294,274.66/13,828.20
  6. Step 6: Final answer
    x = 6,891.30

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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.