Home / 12,544.52-18,803.24-5,518.28

Finding the Fourth Proportional to 12,544.52, 18,803.24 and 5,518.28

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Solution

The fourth proportional to 12,544.52, 18,803.24 and 5,518.28 is: 8,271.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544.52 : 18,803.24 = 5,518.28 : x
  2. Step 2: Convert to fraction form
    12,544.52/18,803.24 = 5,518.28/x
  3. Step 3: Cross multiply
    12,544.52x = 18,803.24 × 5,518.28
  4. Step 4: Simplify right side
    12,544.52x = 103,761,543.23
  5. Step 5: Solve for x
    x = 103,761,543.23/12,544.52
  6. Step 6: Final answer
    x = 8,271.46

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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.