Home / 19,172.07-28,762.98-7,325.82

Finding the Fourth Proportional to 19,172.07, 28,762.98 and 7,325.82

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Solution

The fourth proportional to 19,172.07, 28,762.98 and 7,325.82 is: 10,990.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,172.07 : 28,762.98 = 7,325.82 : x
  2. Step 2: Convert to fraction form
    19,172.07/28,762.98 = 7,325.82/x
  3. Step 3: Cross multiply
    19,172.07x = 28,762.98 × 7,325.82
  4. Step 4: Simplify right side
    19,172.07x = 210,712,414.14
  5. Step 5: Solve for x
    x = 210,712,414.14/19,172.07
  6. Step 6: Final answer
    x = 10,990.59

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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.