Home / 13,963.08-20,948.06-6,946.42

Finding the Fourth Proportional to 13,963.08, 20,948.06 and 6,946.42

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Solution

The fourth proportional to 13,963.08, 20,948.06 and 6,946.42 is: 10,421.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963.08 : 20,948.06 = 6,946.42 : x
  2. Step 2: Convert to fraction form
    13,963.08/20,948.06 = 6,946.42/x
  3. Step 3: Cross multiply
    13,963.08x = 20,948.06 × 6,946.42
  4. Step 4: Simplify right side
    13,963.08x = 145,514,022.95
  5. Step 5: Solve for x
    x = 145,514,022.95/13,963.08
  6. Step 6: Final answer
    x = 10,421.34

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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.