Home / 12,897.24-19,351.60-5,506.40

Finding the Fourth Proportional to 12,897.24, 19,351.60 and 5,506.40

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Solution

The fourth proportional to 12,897.24, 19,351.60 and 5,506.40 is: 8,262.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,897.24 : 19,351.60 = 5,506.40 : x
  2. Step 2: Convert to fraction form
    12,897.24/19,351.60 = 5,506.40/x
  3. Step 3: Cross multiply
    12,897.24x = 19,351.60 × 5,506.40
  4. Step 4: Simplify right side
    12,897.24x = 106,557,650.24
  5. Step 5: Solve for x
    x = 106,557,650.24/12,897.24
  6. Step 6: Final answer
    x = 8,262.05

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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.