Home / 12,336.84-18,507.54-3,905.46

Finding the Fourth Proportional to 12,336.84, 18,507.54 and 3,905.46

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Solution

The fourth proportional to 12,336.84, 18,507.54 and 3,905.46 is: 5,858.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,336.84 : 18,507.54 = 3,905.46 : x
  2. Step 2: Convert to fraction form
    12,336.84/18,507.54 = 3,905.46/x
  3. Step 3: Cross multiply
    12,336.84x = 18,507.54 × 3,905.46
  4. Step 4: Simplify right side
    12,336.84x = 72,280,457.17
  5. Step 5: Solve for x
    x = 72,280,457.17/12,336.84
  6. Step 6: Final answer
    x = 5,858.91

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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.