Home / 13,267.20-19,900.80-10,675.20

Finding the Fourth Proportional to 13,267.20, 19,900.80 and 10,675.20

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Solution

The fourth proportional to 13,267.20, 19,900.80 and 10,675.20 is: 16,012.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267.20 : 19,900.80 = 10,675.20 : x
  2. Step 2: Convert to fraction form
    13,267.20/19,900.80 = 10,675.20/x
  3. Step 3: Cross multiply
    13,267.20x = 19,900.80 × 10,675.20
  4. Step 4: Simplify right side
    13,267.20x = 212,445,020.16
  5. Step 5: Solve for x
    x = 212,445,020.16/13,267.20
  6. Step 6: Final answer
    x = 16,012.80

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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.