Home / 19,527.80-29,313.30-12,140.60

Finding the Fourth Proportional to 19,527.80, 29,313.30 and 12,140.60

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Solution

The fourth proportional to 19,527.80, 29,313.30 and 12,140.60 is: 18,224.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,527.80 : 29,313.30 = 12,140.60 : x
  2. Step 2: Convert to fraction form
    19,527.80/29,313.30 = 12,140.60/x
  3. Step 3: Cross multiply
    19,527.80x = 29,313.30 × 12,140.60
  4. Step 4: Simplify right side
    19,527.80x = 355,881,049.98
  5. Step 5: Solve for x
    x = 355,881,049.98/19,527.80
  6. Step 6: Final answer
    x = 18,224.33

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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.