Home / 11,308.40-15,606.11-6,272.32

Finding the Fourth Proportional to 11,308.40, 15,606.11 and 6,272.32

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Solution

The fourth proportional to 11,308.40, 15,606.11 and 6,272.32 is: 8,656.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,308.40 : 15,606.11 = 6,272.32 : x
  2. Step 2: Convert to fraction form
    11,308.40/15,606.11 = 6,272.32/x
  3. Step 3: Cross multiply
    11,308.40x = 15,606.11 × 6,272.32
  4. Step 4: Simplify right side
    11,308.40x = 97,886,504.16
  5. Step 5: Solve for x
    x = 97,886,504.16/11,308.40
  6. Step 6: Final answer
    x = 8,656.09

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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.