Home / 12,588.16-18,883.74-9,474.52

Finding the Fourth Proportional to 12,588.16, 18,883.74 and 9,474.52

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Solution

The fourth proportional to 12,588.16, 18,883.74 and 9,474.52 is: 14,212.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588.16 : 18,883.74 = 9,474.52 : x
  2. Step 2: Convert to fraction form
    12,588.16/18,883.74 = 9,474.52/x
  3. Step 3: Cross multiply
    12,588.16x = 18,883.74 × 9,474.52
  4. Step 4: Simplify right side
    12,588.16x = 178,914,372.30
  5. Step 5: Solve for x
    x = 178,914,372.30/12,588.16
  6. Step 6: Final answer
    x = 14,212.91

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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.