Home / 13,241.07-18,271.78-7,272.99

Finding the Fourth Proportional to 13,241.07, 18,271.78 and 7,272.99

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Solution

The fourth proportional to 13,241.07, 18,271.78 and 7,272.99 is: 10,036.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.07 : 18,271.78 = 7,272.99 : x
  2. Step 2: Convert to fraction form
    13,241.07/18,271.78 = 7,272.99/x
  3. Step 3: Cross multiply
    13,241.07x = 18,271.78 × 7,272.99
  4. Step 4: Simplify right side
    13,241.07x = 132,890,455.04
  5. Step 5: Solve for x
    x = 132,890,455.04/13,241.07
  6. Step 6: Final answer
    x = 10,036.23

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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.