Home / 14,918.49-20,588.05-8,204.64

Finding the Fourth Proportional to 14,918.49, 20,588.05 and 8,204.64

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Solution

The fourth proportional to 14,918.49, 20,588.05 and 8,204.64 is: 11,322.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,918.49 : 20,588.05 = 8,204.64 : x
  2. Step 2: Convert to fraction form
    14,918.49/20,588.05 = 8,204.64/x
  3. Step 3: Cross multiply
    14,918.49x = 20,588.05 × 8,204.64
  4. Step 4: Simplify right side
    14,918.49x = 168,917,538.55
  5. Step 5: Solve for x
    x = 168,917,538.55/14,918.49
  6. Step 6: Final answer
    x = 11,322.70

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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.