Home / 9,124.95-13,687.43-2,199.45

Finding the Fourth Proportional to 9,124.95, 13,687.43 and 2,199.45

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Solution

The fourth proportional to 9,124.95, 13,687.43 and 2,199.45 is: 3,299.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,124.95 : 13,687.43 = 2,199.45 : x
  2. Step 2: Convert to fraction form
    9,124.95/13,687.43 = 2,199.45/x
  3. Step 3: Cross multiply
    9,124.95x = 13,687.43 × 2,199.45
  4. Step 4: Simplify right side
    9,124.95x = 30,104,755.13
  5. Step 5: Solve for x
    x = 30,104,755.13/9,124.95
  6. Step 6: Final answer
    x = 3,299.17

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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.