Home / 12,089.91-16,684.02-6,784.74

Finding the Fourth Proportional to 12,089.91, 16,684.02 and 6,784.74

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Solution

The fourth proportional to 12,089.91, 16,684.02 and 6,784.74 is: 9,362.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089.91 : 16,684.02 = 6,784.74 : x
  2. Step 2: Convert to fraction form
    12,089.91/16,684.02 = 6,784.74/x
  3. Step 3: Cross multiply
    12,089.91x = 16,684.02 × 6,784.74
  4. Step 4: Simplify right side
    12,089.91x = 113,196,737.85
  5. Step 5: Solve for x
    x = 113,196,737.85/12,089.91
  6. Step 6: Final answer
    x = 9,362.91

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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.