Home / 12,285.74-16,956.28-6,982.24

Finding the Fourth Proportional to 12,285.74, 16,956.28 and 6,982.24

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Solution

The fourth proportional to 12,285.74, 16,956.28 and 6,982.24 is: 9,636.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,285.74 : 16,956.28 = 6,982.24 : x
  2. Step 2: Convert to fraction form
    12,285.74/16,956.28 = 6,982.24/x
  3. Step 3: Cross multiply
    12,285.74x = 16,956.28 × 6,982.24
  4. Step 4: Simplify right side
    12,285.74x = 118,392,816.47
  5. Step 5: Solve for x
    x = 118,392,816.47/12,285.74
  6. Step 6: Final answer
    x = 9,636.60

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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.