Home / 14,575.23-20,120.67-11,393.16

Finding the Fourth Proportional to 14,575.23, 20,120.67 and 11,393.16

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Solution

The fourth proportional to 14,575.23, 20,120.67 and 11,393.16 is: 15,727.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,575.23 : 20,120.67 = 11,393.16 : x
  2. Step 2: Convert to fraction form
    14,575.23/20,120.67 = 11,393.16/x
  3. Step 3: Cross multiply
    14,575.23x = 20,120.67 × 11,393.16
  4. Step 4: Simplify right side
    14,575.23x = 229,238,012.62
  5. Step 5: Solve for x
    x = 229,238,012.62/14,575.23
  6. Step 6: Final answer
    x = 15,727.92

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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.