Home / 12,213.02-16,853.82-6,907.70

Finding the Fourth Proportional to 12,213.02, 16,853.82 and 6,907.70

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Solution

The fourth proportional to 12,213.02, 16,853.82 and 6,907.70 is: 9,532.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,213.02 : 16,853.82 = 6,907.70 : x
  2. Step 2: Convert to fraction form
    12,213.02/16,853.82 = 6,907.70/x
  3. Step 3: Cross multiply
    12,213.02x = 16,853.82 × 6,907.70
  4. Step 4: Simplify right side
    12,213.02x = 116,421,132.41
  5. Step 5: Solve for x
    x = 116,421,132.41/12,213.02
  6. Step 6: Final answer
    x = 9,532.54

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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.