Home / 10,669.80-16,004.70-3,743.40

Finding the Fourth Proportional to 10,669.80, 16,004.70 and 3,743.40

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Solution

The fourth proportional to 10,669.80, 16,004.70 and 3,743.40 is: 5,615.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,669.80 : 16,004.70 = 3,743.40 : x
  2. Step 2: Convert to fraction form
    10,669.80/16,004.70 = 3,743.40/x
  3. Step 3: Cross multiply
    10,669.80x = 16,004.70 × 3,743.40
  4. Step 4: Simplify right side
    10,669.80x = 59,911,993.98
  5. Step 5: Solve for x
    x = 59,911,993.98/10,669.80
  6. Step 6: Final answer
    x = 5,615.10

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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.