Home / 11,887.49-16,402.70-6,851.93

Finding the Fourth Proportional to 11,887.49, 16,402.70 and 6,851.93

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Solution

The fourth proportional to 11,887.49, 16,402.70 and 6,851.93 is: 9,454.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,887.49 : 16,402.70 = 6,851.93 : x
  2. Step 2: Convert to fraction form
    11,887.49/16,402.70 = 6,851.93/x
  3. Step 3: Cross multiply
    11,887.49x = 16,402.70 × 6,851.93
  4. Step 4: Simplify right side
    11,887.49x = 112,390,087.33
  5. Step 5: Solve for x
    x = 112,390,087.33/11,887.49
  6. Step 6: Final answer
    x = 9,454.48

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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.