Home / 9,014.80-13,512.30-3,168.40

Finding the Fourth Proportional to 9,014.80, 13,512.30 and 3,168.40

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Solution

The fourth proportional to 9,014.80, 13,512.30 and 3,168.40 is: 4,749.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,014.80 : 13,512.30 = 3,168.40 : x
  2. Step 2: Convert to fraction form
    9,014.80/13,512.30 = 3,168.40/x
  3. Step 3: Cross multiply
    9,014.80x = 13,512.30 × 3,168.40
  4. Step 4: Simplify right side
    9,014.80x = 42,812,371.32
  5. Step 5: Solve for x
    x = 42,812,371.32/9,014.80
  6. Step 6: Final answer
    x = 4,749.12

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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.