Home / 13,541.58-20,295.36-7,998.75

Finding the Fourth Proportional to 13,541.58, 20,295.36 and 7,998.75

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Solution

The fourth proportional to 13,541.58, 20,295.36 and 7,998.75 is: 11,988.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,541.58 : 20,295.36 = 7,998.75 : x
  2. Step 2: Convert to fraction form
    13,541.58/20,295.36 = 7,998.75/x
  3. Step 3: Cross multiply
    13,541.58x = 20,295.36 × 7,998.75
  4. Step 4: Simplify right side
    13,541.58x = 162,337,510.80
  5. Step 5: Solve for x
    x = 162,337,510.80/13,541.58
  6. Step 6: Final answer
    x = 11,988.08

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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.