Home / 12,946-19,426.04-5,154.80

Finding the Fourth Proportional to 12,946, 19,426.04 and 5,154.80

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Solution

The fourth proportional to 12,946, 19,426.04 and 5,154.80 is: 7,735.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,946 : 19,426.04 = 5,154.80 : x
  2. Step 2: Convert to fraction form
    12,946/19,426.04 = 5,154.80/x
  3. Step 3: Cross multiply
    12,946x = 19,426.04 × 5,154.80
  4. Step 4: Simplify right side
    12,946x = 100,137,350.99
  5. Step 5: Solve for x
    x = 100,137,350.99/12,946
  6. Step 6: Final answer
    x = 7,735.00

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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.