Home / 13,767.65-20,652.97-4,405.46

Finding the Fourth Proportional to 13,767.65, 20,652.97 and 4,405.46

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Solution

The fourth proportional to 13,767.65, 20,652.97 and 4,405.46 is: 6,608.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,767.65 : 20,652.97 = 4,405.46 : x
  2. Step 2: Convert to fraction form
    13,767.65/20,652.97 = 4,405.46/x
  3. Step 3: Cross multiply
    13,767.65x = 20,652.97 × 4,405.46
  4. Step 4: Simplify right side
    13,767.65x = 90,985,873.83
  5. Step 5: Solve for x
    x = 90,985,873.83/13,767.65
  6. Step 6: Final answer
    x = 6,608.67

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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.