Home / 11,858.90-16,364.63-6,553.37

Finding the Fourth Proportional to 11,858.90, 16,364.63 and 6,553.37

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Solution

The fourth proportional to 11,858.90, 16,364.63 and 6,553.37 is: 9,043.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,858.90 : 16,364.63 = 6,553.37 : x
  2. Step 2: Convert to fraction form
    11,858.90/16,364.63 = 6,553.37/x
  3. Step 3: Cross multiply
    11,858.90x = 16,364.63 × 6,553.37
  4. Step 4: Simplify right side
    11,858.90x = 107,243,360.71
  5. Step 5: Solve for x
    x = 107,243,360.71/11,858.90
  6. Step 6: Final answer
    x = 9,043.28

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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.