Home / 15,023.13-20,732.58-9,361.23

Finding the Fourth Proportional to 15,023.13, 20,732.58 and 9,361.23

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Solution

The fourth proportional to 15,023.13, 20,732.58 and 9,361.23 is: 12,918.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,023.13 : 20,732.58 = 9,361.23 : x
  2. Step 2: Convert to fraction form
    15,023.13/20,732.58 = 9,361.23/x
  3. Step 3: Cross multiply
    15,023.13x = 20,732.58 × 9,361.23
  4. Step 4: Simplify right side
    15,023.13x = 194,082,449.87
  5. Step 5: Solve for x
    x = 194,082,449.87/15,023.13
  6. Step 6: Final answer
    x = 12,918.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.