Home / 18,695.05-28,034.37-7,000.07

Finding the Fourth Proportional to 18,695.05, 28,034.37 and 7,000.07

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Solution

The fourth proportional to 18,695.05, 28,034.37 and 7,000.07 is: 10,497.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,695.05 : 28,034.37 = 7,000.07 : x
  2. Step 2: Convert to fraction form
    18,695.05/28,034.37 = 7,000.07/x
  3. Step 3: Cross multiply
    18,695.05x = 28,034.37 × 7,000.07
  4. Step 4: Simplify right side
    18,695.05x = 196,242,569.93
  5. Step 5: Solve for x
    x = 196,242,569.93/18,695.05
  6. Step 6: Final answer
    x = 10,497.03

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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.