Home / 11,467.68-15,824.08-6,431.92

Finding the Fourth Proportional to 11,467.68, 15,824.08 and 6,431.92

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Solution

The fourth proportional to 11,467.68, 15,824.08 and 6,431.92 is: 8,875.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,467.68 : 15,824.08 = 6,431.92 : x
  2. Step 2: Convert to fraction form
    11,467.68/15,824.08 = 6,431.92/x
  3. Step 3: Cross multiply
    11,467.68x = 15,824.08 × 6,431.92
  4. Step 4: Simplify right side
    11,467.68x = 101,779,216.63
  5. Step 5: Solve for x
    x = 101,779,216.63/11,467.68
  6. Step 6: Final answer
    x = 8,875.31

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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.