Home / 12,484.72-17,228.28-6,894.64

Finding the Fourth Proportional to 12,484.72, 17,228.28 and 6,894.64

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Solution

The fourth proportional to 12,484.72, 17,228.28 and 6,894.64 is: 9,514.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,484.72 : 17,228.28 = 6,894.64 : x
  2. Step 2: Convert to fraction form
    12,484.72/17,228.28 = 6,894.64/x
  3. Step 3: Cross multiply
    12,484.72x = 17,228.28 × 6,894.64
  4. Step 4: Simplify right side
    12,484.72x = 118,782,788.42
  5. Step 5: Solve for x
    x = 118,782,788.42/12,484.72
  6. Step 6: Final answer
    x = 9,514.25

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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.