Home / 18,145.23-27,210.82-7,050.45

Finding the Fourth Proportional to 18,145.23, 27,210.82 and 7,050.45

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Solution

The fourth proportional to 18,145.23, 27,210.82 and 7,050.45 is: 10,572.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145.23 : 27,210.82 = 7,050.45 : x
  2. Step 2: Convert to fraction form
    18,145.23/27,210.82 = 7,050.45/x
  3. Step 3: Cross multiply
    18,145.23x = 27,210.82 × 7,050.45
  4. Step 4: Simplify right side
    18,145.23x = 191,848,525.87
  5. Step 5: Solve for x
    x = 191,848,525.87/18,145.23
  6. Step 6: Final answer
    x = 10,572.95

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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.