Home / 12,981.24-19,471.95-4,661.33

Finding the Fourth Proportional to 12,981.24, 19,471.95 and 4,661.33

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Solution

The fourth proportional to 12,981.24, 19,471.95 and 4,661.33 is: 6,992.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,981.24 : 19,471.95 = 4,661.33 : x
  2. Step 2: Convert to fraction form
    12,981.24/19,471.95 = 4,661.33/x
  3. Step 3: Cross multiply
    12,981.24x = 19,471.95 × 4,661.33
  4. Step 4: Simplify right side
    12,981.24x = 90,765,184.69
  5. Step 5: Solve for x
    x = 90,765,184.69/12,981.24
  6. Step 6: Final answer
    x = 6,992.03

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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.