Home / 12,984.13-19,474.21-3,623.16

Finding the Fourth Proportional to 12,984.13, 19,474.21 and 3,623.16

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Solution

The fourth proportional to 12,984.13, 19,474.21 and 3,623.16 is: 5,434.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,984.13 : 19,474.21 = 3,623.16 : x
  2. Step 2: Convert to fraction form
    12,984.13/19,474.21 = 3,623.16/x
  3. Step 3: Cross multiply
    12,984.13x = 19,474.21 × 3,623.16
  4. Step 4: Simplify right side
    12,984.13x = 70,558,178.70
  5. Step 5: Solve for x
    x = 70,558,178.70/12,984.13
  6. Step 6: Final answer
    x = 5,434.19

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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.