Home / 12,323.08-18,485.63-4,923.49

Finding the Fourth Proportional to 12,323.08, 18,485.63 and 4,923.49

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Solution

The fourth proportional to 12,323.08, 18,485.63 and 4,923.49 is: 7,385.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,323.08 : 18,485.63 = 4,923.49 : x
  2. Step 2: Convert to fraction form
    12,323.08/18,485.63 = 4,923.49/x
  3. Step 3: Cross multiply
    12,323.08x = 18,485.63 × 4,923.49
  4. Step 4: Simplify right side
    12,323.08x = 91,013,814.45
  5. Step 5: Solve for x
    x = 91,013,814.45/12,323.08
  6. Step 6: Final answer
    x = 7,385.64

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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.