Home / 12,030.36-18,037.32-6,408.87

Finding the Fourth Proportional to 12,030.36, 18,037.32 and 6,408.87

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Solution

The fourth proportional to 12,030.36, 18,037.32 and 6,408.87 is: 9,608.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030.36 : 18,037.32 = 6,408.87 : x
  2. Step 2: Convert to fraction form
    12,030.36/18,037.32 = 6,408.87/x
  3. Step 3: Cross multiply
    12,030.36x = 18,037.32 × 6,408.87
  4. Step 4: Simplify right side
    12,030.36x = 115,598,748.84
  5. Step 5: Solve for x
    x = 115,598,748.84/12,030.36
  6. Step 6: Final answer
    x = 9,608.92

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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.