Home / 13,678.96-20,527.67-5,357.94

Finding the Fourth Proportional to 13,678.96, 20,527.67 and 5,357.94

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Solution

The fourth proportional to 13,678.96, 20,527.67 and 5,357.94 is: 8,040.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,678.96 : 20,527.67 = 5,357.94 : x
  2. Step 2: Convert to fraction form
    13,678.96/20,527.67 = 5,357.94/x
  3. Step 3: Cross multiply
    13,678.96x = 20,527.67 × 5,357.94
  4. Step 4: Simplify right side
    13,678.96x = 109,986,024.20
  5. Step 5: Solve for x
    x = 109,986,024.20/13,678.96
  6. Step 6: Final answer
    x = 8,040.53

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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.