Home / 13,253.19-18,289.06-7,203.25

Finding the Fourth Proportional to 13,253.19, 18,289.06 and 7,203.25

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Solution

The fourth proportional to 13,253.19, 18,289.06 and 7,203.25 is: 9,940.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,253.19 : 18,289.06 = 7,203.25 : x
  2. Step 2: Convert to fraction form
    13,253.19/18,289.06 = 7,203.25/x
  3. Step 3: Cross multiply
    13,253.19x = 18,289.06 × 7,203.25
  4. Step 4: Simplify right side
    13,253.19x = 131,740,671.45
  5. Step 5: Solve for x
    x = 131,740,671.45/13,253.19
  6. Step 6: Final answer
    x = 9,940.30

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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.