Home / 12,027.07-18,027.64-6,830.11

Finding the Fourth Proportional to 12,027.07, 18,027.64 and 6,830.11

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Solution

The fourth proportional to 12,027.07, 18,027.64 and 6,830.11 is: 10,237.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,027.07 : 18,027.64 = 6,830.11 : x
  2. Step 2: Convert to fraction form
    12,027.07/18,027.64 = 6,830.11/x
  3. Step 3: Cross multiply
    12,027.07x = 18,027.64 × 6,830.11
  4. Step 4: Simplify right side
    12,027.07x = 123,130,727.71
  5. Step 5: Solve for x
    x = 123,130,727.71/12,027.07
  6. Step 6: Final answer
    x = 10,237.80

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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.