Home / 11,127.04-16,689.09-4,200.64

Finding the Fourth Proportional to 11,127.04, 16,689.09 and 4,200.64

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Solution

The fourth proportional to 11,127.04, 16,689.09 and 4,200.64 is: 6,300.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.04 : 16,689.09 = 4,200.64 : x
  2. Step 2: Convert to fraction form
    11,127.04/16,689.09 = 4,200.64/x
  3. Step 3: Cross multiply
    11,127.04x = 16,689.09 × 4,200.64
  4. Step 4: Simplify right side
    11,127.04x = 70,104,859.02
  5. Step 5: Solve for x
    x = 70,104,859.02/11,127.04
  6. Step 6: Final answer
    x = 6,300.41

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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.