Home / 13,576.60-18,751.26-10,816.12

Finding the Fourth Proportional to 13,576.60, 18,751.26 and 10,816.12

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Solution

The fourth proportional to 13,576.60, 18,751.26 and 10,816.12 is: 14,938.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.60 : 18,751.26 = 10,816.12 : x
  2. Step 2: Convert to fraction form
    13,576.60/18,751.26 = 10,816.12/x
  3. Step 3: Cross multiply
    13,576.60x = 18,751.26 × 10,816.12
  4. Step 4: Simplify right side
    13,576.60x = 202,815,878.31
  5. Step 5: Solve for x
    x = 202,815,878.31/13,576.60
  6. Step 6: Final answer
    x = 14,938.64

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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.