Home / 10,669.80-16,004.70-2,772.30

Finding the Fourth Proportional to 10,669.80, 16,004.70 and 2,772.30

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Solution

The fourth proportional to 10,669.80, 16,004.70 and 2,772.30 is: 4,158.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,669.80 : 16,004.70 = 2,772.30 : x
  2. Step 2: Convert to fraction form
    10,669.80/16,004.70 = 2,772.30/x
  3. Step 3: Cross multiply
    10,669.80x = 16,004.70 × 2,772.30
  4. Step 4: Simplify right side
    10,669.80x = 44,369,829.81
  5. Step 5: Solve for x
    x = 44,369,829.81/10,669.80
  6. Step 6: Final answer
    x = 4,158.45

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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.