Home / 14,837.39-20,474.93-8,123.15

Finding the Fourth Proportional to 14,837.39, 20,474.93 and 8,123.15

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Solution

The fourth proportional to 14,837.39, 20,474.93 and 8,123.15 is: 11,209.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,837.39 : 20,474.93 = 8,123.15 : x
  2. Step 2: Convert to fraction form
    14,837.39/20,474.93 = 8,123.15/x
  3. Step 3: Cross multiply
    14,837.39x = 20,474.93 × 8,123.15
  4. Step 4: Simplify right side
    14,837.39x = 166,320,784.64
  5. Step 5: Solve for x
    x = 166,320,784.64/14,837.39
  6. Step 6: Final answer
    x = 11,209.58

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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.