Home / 13,698.24-20,547.84-4,930.80

Finding the Fourth Proportional to 13,698.24, 20,547.84 and 4,930.80

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Solution

The fourth proportional to 13,698.24, 20,547.84 and 4,930.80 is: 7,396.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,698.24 : 20,547.84 = 4,930.80 : x
  2. Step 2: Convert to fraction form
    13,698.24/20,547.84 = 4,930.80/x
  3. Step 3: Cross multiply
    13,698.24x = 20,547.84 × 4,930.80
  4. Step 4: Simplify right side
    13,698.24x = 101,317,289.47
  5. Step 5: Solve for x
    x = 101,317,289.47/13,698.24
  6. Step 6: Final answer
    x = 7,396.37

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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.