Home / 13,435.60-20,133.68-6,762.92

Finding the Fourth Proportional to 13,435.60, 20,133.68 and 6,762.92

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Solution

The fourth proportional to 13,435.60, 20,133.68 and 6,762.92 is: 10,134.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,435.60 : 20,133.68 = 6,762.92 : x
  2. Step 2: Convert to fraction form
    13,435.60/20,133.68 = 6,762.92/x
  3. Step 3: Cross multiply
    13,435.60x = 20,133.68 × 6,762.92
  4. Step 4: Simplify right side
    13,435.60x = 136,162,467.15
  5. Step 5: Solve for x
    x = 136,162,467.15/13,435.60
  6. Step 6: Final answer
    x = 10,134.45

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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.