Home / 12,584.87-18,865.52-4,259.06

Finding the Fourth Proportional to 12,584.87, 18,865.52 and 4,259.06

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Solution

The fourth proportional to 12,584.87, 18,865.52 and 4,259.06 is: 6,384.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,584.87 : 18,865.52 = 4,259.06 : x
  2. Step 2: Convert to fraction form
    12,584.87/18,865.52 = 4,259.06/x
  3. Step 3: Cross multiply
    12,584.87x = 18,865.52 × 4,259.06
  4. Step 4: Simplify right side
    12,584.87x = 80,349,407.48
  5. Step 5: Solve for x
    x = 80,349,407.48/12,584.87
  6. Step 6: Final answer
    x = 6,384.60

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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.