Home / 13,570.10-20,355.36-4,798.88

Finding the Fourth Proportional to 13,570.10, 20,355.36 and 4,798.88

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Solution

The fourth proportional to 13,570.10, 20,355.36 and 4,798.88 is: 7,198.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,570.10 : 20,355.36 = 4,798.88 : x
  2. Step 2: Convert to fraction form
    13,570.10/20,355.36 = 4,798.88/x
  3. Step 3: Cross multiply
    13,570.10x = 20,355.36 × 4,798.88
  4. Step 4: Simplify right side
    13,570.10x = 97,682,930.00
  5. Step 5: Solve for x
    x = 97,682,930.00/13,570.10
  6. Step 6: Final answer
    x = 7,198.39

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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.