Home / 15,400.23-23,100.71-5,012.79

Finding the Fourth Proportional to 15,400.23, 23,100.71 and 5,012.79

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Solution

The fourth proportional to 15,400.23, 23,100.71 and 5,012.79 is: 7,519.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,400.23 : 23,100.71 = 5,012.79 : x
  2. Step 2: Convert to fraction form
    15,400.23/23,100.71 = 5,012.79/x
  3. Step 3: Cross multiply
    15,400.23x = 23,100.71 × 5,012.79
  4. Step 4: Simplify right side
    15,400.23x = 115,798,983.02
  5. Step 5: Solve for x
    x = 115,798,983.02/15,400.23
  6. Step 6: Final answer
    x = 7,519.30

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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.