Home / 13,974.14-19,271.07-8,929.60

Finding the Fourth Proportional to 13,974.14, 19,271.07 and 8,929.60

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Solution

The fourth proportional to 13,974.14, 19,271.07 and 8,929.60 is: 12,314.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,974.14 : 19,271.07 = 8,929.60 : x
  2. Step 2: Convert to fraction form
    13,974.14/19,271.07 = 8,929.60/x
  3. Step 3: Cross multiply
    13,974.14x = 19,271.07 × 8,929.60
  4. Step 4: Simplify right side
    13,974.14x = 172,082,898.49
  5. Step 5: Solve for x
    x = 172,082,898.49/13,974.14
  6. Step 6: Final answer
    x = 12,314.38

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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.