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Finding the Fourth Proportional to 12,490.00, 18,725.73 and 7,558.46

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Solution

The fourth proportional to 12,490.00, 18,725.73 and 7,558.46 is: 11,332.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,490.00 : 18,725.73 = 7,558.46 : x
  2. Step 2: Convert to fraction form
    12,490.00/18,725.73 = 7,558.46/x
  3. Step 3: Cross multiply
    12,490.00x = 18,725.73 × 7,558.46
  4. Step 4: Simplify right side
    12,490.00x = 141,537,777.27
  5. Step 5: Solve for x
    x = 141,537,777.27/12,490.00
  6. Step 6: Final answer
    x = 11,332.09

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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.