Home / 20,527.26-30,791.31-9,430.93

Finding the Fourth Proportional to 20,527.26, 30,791.31 and 9,430.93

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Solution

The fourth proportional to 20,527.26, 30,791.31 and 9,430.93 is: 14,146.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,527.26 : 30,791.31 = 9,430.93 : x
  2. Step 2: Convert to fraction form
    20,527.26/30,791.31 = 9,430.93/x
  3. Step 3: Cross multiply
    20,527.26x = 30,791.31 × 9,430.93
  4. Step 4: Simplify right side
    20,527.26x = 290,390,689.22
  5. Step 5: Solve for x
    x = 290,390,689.22/20,527.26
  6. Step 6: Final answer
    x = 14,146.59

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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.