Home / 14,844.68-20,485.69-8,130.36

Finding the Fourth Proportional to 14,844.68, 20,485.69 and 8,130.36

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Solution

The fourth proportional to 14,844.68, 20,485.69 and 8,130.36 is: 11,219.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,844.68 : 20,485.69 = 8,130.36 : x
  2. Step 2: Convert to fraction form
    14,844.68/20,485.69 = 8,130.36/x
  3. Step 3: Cross multiply
    14,844.68x = 20,485.69 × 8,130.36
  4. Step 4: Simplify right side
    14,844.68x = 166,556,034.55
  5. Step 5: Solve for x
    x = 166,556,034.55/14,844.68
  6. Step 6: Final answer
    x = 11,219.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.