Home / 12,838.30-19,256.57-3,604.30

Finding the Fourth Proportional to 12,838.30, 19,256.57 and 3,604.30

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Solution

The fourth proportional to 12,838.30, 19,256.57 and 3,604.30 is: 5,406.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,838.30 : 19,256.57 = 3,604.30 : x
  2. Step 2: Convert to fraction form
    12,838.30/19,256.57 = 3,604.30/x
  3. Step 3: Cross multiply
    12,838.30x = 19,256.57 × 3,604.30
  4. Step 4: Simplify right side
    12,838.30x = 69,406,455.25
  5. Step 5: Solve for x
    x = 69,406,455.25/12,838.30
  6. Step 6: Final answer
    x = 5,406.20

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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.