Home / 13,252.14-18,289.07-9,012.60

Finding the Fourth Proportional to 13,252.14, 18,289.07 and 9,012.60

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Solution

The fourth proportional to 13,252.14, 18,289.07 and 9,012.60 is: 12,438.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.14 : 18,289.07 = 9,012.60 : x
  2. Step 2: Convert to fraction form
    13,252.14/18,289.07 = 9,012.60/x
  3. Step 3: Cross multiply
    13,252.14x = 18,289.07 × 9,012.60
  4. Step 4: Simplify right side
    13,252.14x = 164,832,061.02
  5. Step 5: Solve for x
    x = 164,832,061.02/13,252.14
  6. Step 6: Final answer
    x = 12,438.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.