Home / 12,206.50-16,828.68-9,696.94

Finding the Fourth Proportional to 12,206.50, 16,828.68 and 9,696.94

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Solution

The fourth proportional to 12,206.50, 16,828.68 and 9,696.94 is: 13,368.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,206.50 : 16,828.68 = 9,696.94 : x
  2. Step 2: Convert to fraction form
    12,206.50/16,828.68 = 9,696.94/x
  3. Step 3: Cross multiply
    12,206.50x = 16,828.68 × 9,696.94
  4. Step 4: Simplify right side
    12,206.50x = 163,186,700.24
  5. Step 5: Solve for x
    x = 163,186,700.24/12,206.50
  6. Step 6: Final answer
    x = 13,368.84

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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.