Home / 11,817.36-16,308.90-6,513.08

Finding the Fourth Proportional to 11,817.36, 16,308.90 and 6,513.08

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Solution

The fourth proportional to 11,817.36, 16,308.90 and 6,513.08 is: 8,988.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,817.36 : 16,308.90 = 6,513.08 : x
  2. Step 2: Convert to fraction form
    11,817.36/16,308.90 = 6,513.08/x
  3. Step 3: Cross multiply
    11,817.36x = 16,308.90 × 6,513.08
  4. Step 4: Simplify right side
    11,817.36x = 106,221,088.87
  5. Step 5: Solve for x
    x = 106,221,088.87/11,817.36
  6. Step 6: Final answer
    x = 8,988.56

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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.