Home / 13,149.63-19,724.62-4,384.55

Finding the Fourth Proportional to 13,149.63, 19,724.62 and 4,384.55

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Solution

The fourth proportional to 13,149.63, 19,724.62 and 4,384.55 is: 6,576.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149.63 : 19,724.62 = 4,384.55 : x
  2. Step 2: Convert to fraction form
    13,149.63/19,724.62 = 4,384.55/x
  3. Step 3: Cross multiply
    13,149.63x = 19,724.62 × 4,384.55
  4. Step 4: Simplify right side
    13,149.63x = 86,483,462.08
  5. Step 5: Solve for x
    x = 86,483,462.08/13,149.63
  6. Step 6: Final answer
    x = 6,576.88

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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.