Home / 13,040.86-19,527.90-7,190.98

Finding the Fourth Proportional to 13,040.86, 19,527.90 and 7,190.98

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Solution

The fourth proportional to 13,040.86, 19,527.90 and 7,190.98 is: 10,768.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040.86 : 19,527.90 = 7,190.98 : x
  2. Step 2: Convert to fraction form
    13,040.86/19,527.90 = 7,190.98/x
  3. Step 3: Cross multiply
    13,040.86x = 19,527.90 × 7,190.98
  4. Step 4: Simplify right side
    13,040.86x = 140,424,738.34
  5. Step 5: Solve for x
    x = 140,424,738.34/13,040.86
  6. Step 6: Final answer
    x = 10,768.06

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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.