Home / 12,836.89-19,256.57-3,477.01

Finding the Fourth Proportional to 12,836.89, 19,256.57 and 3,477.01

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Solution

The fourth proportional to 12,836.89, 19,256.57 and 3,477.01 is: 5,215.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,836.89 : 19,256.57 = 3,477.01 : x
  2. Step 2: Convert to fraction form
    12,836.89/19,256.57 = 3,477.01/x
  3. Step 3: Cross multiply
    12,836.89x = 19,256.57 × 3,477.01
  4. Step 4: Simplify right side
    12,836.89x = 66,955,286.46
  5. Step 5: Solve for x
    x = 66,955,286.46/12,836.89
  6. Step 6: Final answer
    x = 5,215.85

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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.