Home / 14,059.80-19,400.40-7,772.22

Finding the Fourth Proportional to 14,059.80, 19,400.40 and 7,772.22

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Solution

The fourth proportional to 14,059.80, 19,400.40 and 7,772.22 is: 10,724.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,059.80 : 19,400.40 = 7,772.22 : x
  2. Step 2: Convert to fraction form
    14,059.80/19,400.40 = 7,772.22/x
  3. Step 3: Cross multiply
    14,059.80x = 19,400.40 × 7,772.22
  4. Step 4: Simplify right side
    14,059.80x = 150,784,176.89
  5. Step 5: Solve for x
    x = 150,784,176.89/14,059.80
  6. Step 6: Final answer
    x = 10,724.49

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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.