Home / 18,485.47-27,752.71-11,002.89

Finding the Fourth Proportional to 18,485.47, 27,752.71 and 11,002.89

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Solution

The fourth proportional to 18,485.47, 27,752.71 and 11,002.89 is: 16,518.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,485.47 : 27,752.71 = 11,002.89 : x
  2. Step 2: Convert to fraction form
    18,485.47/27,752.71 = 11,002.89/x
  3. Step 3: Cross multiply
    18,485.47x = 27,752.71 × 11,002.89
  4. Step 4: Simplify right side
    18,485.47x = 305,360,015.33
  5. Step 5: Solve for x
    x = 305,360,015.33/18,485.47
  6. Step 6: Final answer
    x = 16,518.92

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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.