Home / 13,559.30-20,335.62-3,698.63

Finding the Fourth Proportional to 13,559.30, 20,335.62 and 3,698.63

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Solution

The fourth proportional to 13,559.30, 20,335.62 and 3,698.63 is: 5,547.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,559.30 : 20,335.62 = 3,698.63 : x
  2. Step 2: Convert to fraction form
    13,559.30/20,335.62 = 3,698.63/x
  3. Step 3: Cross multiply
    13,559.30x = 20,335.62 × 3,698.63
  4. Step 4: Simplify right side
    13,559.30x = 75,213,934.20
  5. Step 5: Solve for x
    x = 75,213,934.20/13,559.30
  6. Step 6: Final answer
    x = 5,547.04

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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.