Home / 13,750.02-20,622.06-3,886.65

Finding the Fourth Proportional to 13,750.02, 20,622.06 and 3,886.65

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Solution

The fourth proportional to 13,750.02, 20,622.06 and 3,886.65 is: 5,829.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,750.02 : 20,622.06 = 3,886.65 : x
  2. Step 2: Convert to fraction form
    13,750.02/20,622.06 = 3,886.65/x
  3. Step 3: Cross multiply
    13,750.02x = 20,622.06 × 3,886.65
  4. Step 4: Simplify right side
    13,750.02x = 80,150,729.50
  5. Step 5: Solve for x
    x = 80,150,729.50/13,750.02
  6. Step 6: Final answer
    x = 5,829.14

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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.