Home / 14,172.06-19,557.45-7,884.44

Finding the Fourth Proportional to 14,172.06, 19,557.45 and 7,884.44

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Solution

The fourth proportional to 14,172.06, 19,557.45 and 7,884.44 is: 10,880.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,172.06 : 19,557.45 = 7,884.44 : x
  2. Step 2: Convert to fraction form
    14,172.06/19,557.45 = 7,884.44/x
  3. Step 3: Cross multiply
    14,172.06x = 19,557.45 × 7,884.44
  4. Step 4: Simplify right side
    14,172.06x = 154,199,541.08
  5. Step 5: Solve for x
    x = 154,199,541.08/14,172.06
  6. Step 6: Final answer
    x = 10,880.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.