Home / 13,525.42-20,287.44-4,760.40

Finding the Fourth Proportional to 13,525.42, 20,287.44 and 4,760.40

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Solution

The fourth proportional to 13,525.42, 20,287.44 and 4,760.40 is: 7,140.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,525.42 : 20,287.44 = 4,760.40 : x
  2. Step 2: Convert to fraction form
    13,525.42/20,287.44 = 4,760.40/x
  3. Step 3: Cross multiply
    13,525.42x = 20,287.44 × 4,760.40
  4. Step 4: Simplify right side
    13,525.42x = 96,576,329.38
  5. Step 5: Solve for x
    x = 96,576,329.38/13,525.42
  6. Step 6: Final answer
    x = 7,140.36

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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.