Home / 13,120.40-19,675.48-4,352.96

Finding the Fourth Proportional to 13,120.40, 19,675.48 and 4,352.96

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Solution

The fourth proportional to 13,120.40, 19,675.48 and 4,352.96 is: 6,527.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,120.40 : 19,675.48 = 4,352.96 : x
  2. Step 2: Convert to fraction form
    13,120.40/19,675.48 = 4,352.96/x
  3. Step 3: Cross multiply
    13,120.40x = 19,675.48 × 4,352.96
  4. Step 4: Simplify right side
    13,120.40x = 85,646,577.42
  5. Step 5: Solve for x
    x = 85,646,577.42/13,120.40
  6. Step 6: Final answer
    x = 6,527.74

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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.