Home / 13,525.14-20,288.78-4,762.02

Finding the Fourth Proportional to 13,525.14, 20,288.78 and 4,762.02

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Solution

The fourth proportional to 13,525.14, 20,288.78 and 4,762.02 is: 7,143.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,525.14 : 20,288.78 = 4,762.02 : x
  2. Step 2: Convert to fraction form
    13,525.14/20,288.78 = 4,762.02/x
  3. Step 3: Cross multiply
    13,525.14x = 20,288.78 × 4,762.02
  4. Step 4: Simplify right side
    13,525.14x = 96,615,576.14
  5. Step 5: Solve for x
    x = 96,615,576.14/13,525.14
  6. Step 6: Final answer
    x = 7,143.41

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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.