Home / 11,938.59-16,482.60-7,696.98

Finding the Fourth Proportional to 11,938.59, 16,482.60 and 7,696.98

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Solution

The fourth proportional to 11,938.59, 16,482.60 and 7,696.98 is: 10,626.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,938.59 : 16,482.60 = 7,696.98 : x
  2. Step 2: Convert to fraction form
    11,938.59/16,482.60 = 7,696.98/x
  3. Step 3: Cross multiply
    11,938.59x = 16,482.60 × 7,696.98
  4. Step 4: Simplify right side
    11,938.59x = 126,866,242.55
  5. Step 5: Solve for x
    x = 126,866,242.55/11,938.59
  6. Step 6: Final answer
    x = 10,626.57

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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.