Home / 12,710.70-19,047.32-7,080.62

Finding the Fourth Proportional to 12,710.70, 19,047.32 and 7,080.62

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Solution

The fourth proportional to 12,710.70, 19,047.32 and 7,080.62 is: 10,610.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,710.70 : 19,047.32 = 7,080.62 : x
  2. Step 2: Convert to fraction form
    12,710.70/19,047.32 = 7,080.62/x
  3. Step 3: Cross multiply
    12,710.70x = 19,047.32 × 7,080.62
  4. Step 4: Simplify right side
    12,710.70x = 134,866,704.30
  5. Step 5: Solve for x
    x = 134,866,704.30/12,710.70
  6. Step 6: Final answer
    x = 10,610.49

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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.