Home / 10,316.50-14,211.24-8,799.10

Finding the Fourth Proportional to 10,316.50, 14,211.24 and 8,799.10

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Solution

The fourth proportional to 10,316.50, 14,211.24 and 8,799.10 is: 12,120.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,316.50 : 14,211.24 = 8,799.10 : x
  2. Step 2: Convert to fraction form
    10,316.50/14,211.24 = 8,799.10/x
  3. Step 3: Cross multiply
    10,316.50x = 14,211.24 × 8,799.10
  4. Step 4: Simplify right side
    10,316.50x = 125,046,121.88
  5. Step 5: Solve for x
    x = 125,046,121.88/10,316.50
  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.