Home / 12,737.12-19,109.00-4,839.78

Finding the Fourth Proportional to 12,737.12, 19,109.00 and 4,839.78

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Solution

The fourth proportional to 12,737.12, 19,109.00 and 4,839.78 is: 7,260.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,737.12 : 19,109.00 = 4,839.78 : x
  2. Step 2: Convert to fraction form
    12,737.12/19,109.00 = 4,839.78/x
  3. Step 3: Cross multiply
    12,737.12x = 19,109.00 × 4,839.78
  4. Step 4: Simplify right side
    12,737.12x = 92,483,368.12
  5. Step 5: Solve for x
    x = 92,483,368.12/12,737.12
  6. Step 6: Final answer
    x = 7,260.93

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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.