Home / 12,148.57-16,762.71-6,769.77

Finding the Fourth Proportional to 12,148.57, 16,762.71 and 6,769.77

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Solution

The fourth proportional to 12,148.57, 16,762.71 and 6,769.77 is: 9,340.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148.57 : 16,762.71 = 6,769.77 : x
  2. Step 2: Convert to fraction form
    12,148.57/16,762.71 = 6,769.77/x
  3. Step 3: Cross multiply
    12,148.57x = 16,762.71 × 6,769.77
  4. Step 4: Simplify right side
    12,148.57x = 113,479,691.28
  5. Step 5: Solve for x
    x = 113,479,691.28/12,148.57
  6. Step 6: Final answer
    x = 9,340.99

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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.