Home / 14,556.06-20,087.28-8,890.02

Finding the Fourth Proportional to 14,556.06, 20,087.28 and 8,890.02

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Solution

The fourth proportional to 14,556.06, 20,087.28 and 8,890.02 is: 12,268.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,556.06 : 20,087.28 = 8,890.02 : x
  2. Step 2: Convert to fraction form
    14,556.06/20,087.28 = 8,890.02/x
  3. Step 3: Cross multiply
    14,556.06x = 20,087.28 × 8,890.02
  4. Step 4: Simplify right side
    14,556.06x = 178,576,378.94
  5. Step 5: Solve for x
    x = 178,576,378.94/14,556.06
  6. Step 6: Final answer
    x = 12,268.18

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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.