Home / 11,890.29-16,410.40-6,852.60

Finding the Fourth Proportional to 11,890.29, 16,410.40 and 6,852.60

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Solution

The fourth proportional to 11,890.29, 16,410.40 and 6,852.60 is: 9,457.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,890.29 : 16,410.40 = 6,852.60 : x
  2. Step 2: Convert to fraction form
    11,890.29/16,410.40 = 6,852.60/x
  3. Step 3: Cross multiply
    11,890.29x = 16,410.40 × 6,852.60
  4. Step 4: Simplify right side
    11,890.29x = 112,453,889.91
  5. Step 5: Solve for x
    x = 112,453,889.91/11,890.29
  6. Step 6: Final answer
    x = 9,457.62

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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.