Home / 12,292.02-16,961.85-6,985.80

Finding the Fourth Proportional to 12,292.02, 16,961.85 and 6,985.80

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Solution

The fourth proportional to 12,292.02, 16,961.85 and 6,985.80 is: 9,639.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292.02 : 16,961.85 = 6,985.80 : x
  2. Step 2: Convert to fraction form
    12,292.02/16,961.85 = 6,985.80/x
  3. Step 3: Cross multiply
    12,292.02x = 16,961.85 × 6,985.80
  4. Step 4: Simplify right side
    12,292.02x = 118,492,091.73
  5. Step 5: Solve for x
    x = 118,492,091.73/12,292.02
  6. Step 6: Final answer
    x = 9,639.76

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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.