Home / 14,601.36-20,142.64-8,630.16

Finding the Fourth Proportional to 14,601.36, 20,142.64 and 8,630.16

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Solution

The fourth proportional to 14,601.36, 20,142.64 and 8,630.16 is: 11,905.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,601.36 : 20,142.64 = 8,630.16 : x
  2. Step 2: Convert to fraction form
    14,601.36/20,142.64 = 8,630.16/x
  3. Step 3: Cross multiply
    14,601.36x = 20,142.64 × 8,630.16
  4. Step 4: Simplify right side
    14,601.36x = 173,834,206.02
  5. Step 5: Solve for x
    x = 173,834,206.02/14,601.36
  6. Step 6: Final answer
    x = 11,905.34

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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.