Home / 12,701.64-19,044.36-5,311.20

Finding the Fourth Proportional to 12,701.64, 19,044.36 and 5,311.20

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Solution

The fourth proportional to 12,701.64, 19,044.36 and 5,311.20 is: 7,963.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,701.64 : 19,044.36 = 5,311.20 : x
  2. Step 2: Convert to fraction form
    12,701.64/19,044.36 = 5,311.20/x
  3. Step 3: Cross multiply
    12,701.64x = 19,044.36 × 5,311.20
  4. Step 4: Simplify right side
    12,701.64x = 101,148,404.83
  5. Step 5: Solve for x
    x = 101,148,404.83/12,701.64
  6. Step 6: Final answer
    x = 7,963.41

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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.