Home / 10,316.49-14,211.24-8,799.09

Finding the Fourth Proportional to 10,316.49, 14,211.24 and 8,799.09

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Solution

The fourth proportional to 10,316.49, 14,211.24 and 8,799.09 is: 12,120.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,316.49 : 14,211.24 = 8,799.09 : x
  2. Step 2: Convert to fraction form
    10,316.49/14,211.24 = 8,799.09/x
  3. Step 3: Cross multiply
    10,316.49x = 14,211.24 × 8,799.09
  4. Step 4: Simplify right side
    10,316.49x = 125,045,979.77
  5. Step 5: Solve for x
    x = 125,045,979.77/10,316.49
  6. Step 6: Final answer
    x = 12,120.98

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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.