Home / 11,889.48-16,402.08-6,852.36

Finding the Fourth Proportional to 11,889.48, 16,402.08 and 6,852.36

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Solution

The fourth proportional to 11,889.48, 16,402.08 and 6,852.36 is: 9,453.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,889.48 : 16,402.08 = 6,852.36 : x
  2. Step 2: Convert to fraction form
    11,889.48/16,402.08 = 6,852.36/x
  3. Step 3: Cross multiply
    11,889.48x = 16,402.08 × 6,852.36
  4. Step 4: Simplify right side
    11,889.48x = 112,392,956.91
  5. Step 5: Solve for x
    x = 112,392,956.91/11,889.48
  6. Step 6: Final answer
    x = 9,453.14

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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.