Home / 11,127.31-16,689.34-4,200.19

Finding the Fourth Proportional to 11,127.31, 16,689.34 and 4,200.19

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Solution

The fourth proportional to 11,127.31, 16,689.34 and 4,200.19 is: 6,299.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.31 : 16,689.34 = 4,200.19 : x
  2. Step 2: Convert to fraction form
    11,127.31/16,689.34 = 4,200.19/x
  3. Step 3: Cross multiply
    11,127.31x = 16,689.34 × 4,200.19
  4. Step 4: Simplify right side
    11,127.31x = 70,098,362.50
  5. Step 5: Solve for x
    x = 70,098,362.50/11,127.31
  6. Step 6: Final answer
    x = 6,299.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.