Home / 13,942.02-19,234.50-7,970.48

Finding the Fourth Proportional to 13,942.02, 19,234.50 and 7,970.48

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Solution

The fourth proportional to 13,942.02, 19,234.50 and 7,970.48 is: 10,996.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.02 : 19,234.50 = 7,970.48 : x
  2. Step 2: Convert to fraction form
    13,942.02/19,234.50 = 7,970.48/x
  3. Step 3: Cross multiply
    13,942.02x = 19,234.50 × 7,970.48
  4. Step 4: Simplify right side
    13,942.02x = 153,308,197.56
  5. Step 5: Solve for x
    x = 153,308,197.56/13,942.02
  6. Step 6: Final answer
    x = 10,996.13

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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.