Home / 9,209.52-13,812.36-2,970.12

Finding the Fourth Proportional to 9,209.52, 13,812.36 and 2,970.12

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Solution

The fourth proportional to 9,209.52, 13,812.36 and 2,970.12 is: 4,454.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,209.52 : 13,812.36 = 2,970.12 : x
  2. Step 2: Convert to fraction form
    9,209.52/13,812.36 = 2,970.12/x
  3. Step 3: Cross multiply
    9,209.52x = 13,812.36 × 2,970.12
  4. Step 4: Simplify right side
    9,209.52x = 41,024,366.68
  5. Step 5: Solve for x
    x = 41,024,366.68/9,209.52
  6. Step 6: Final answer
    x = 4,454.56

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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.