Home / 11,312.92-15,609.94-6,276.34

Finding the Fourth Proportional to 11,312.92, 15,609.94 and 6,276.34

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Solution

The fourth proportional to 11,312.92, 15,609.94 and 6,276.34 is: 8,660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,312.92 : 15,609.94 = 6,276.34 : x
  2. Step 2: Convert to fraction form
    11,312.92/15,609.94 = 6,276.34/x
  3. Step 3: Cross multiply
    11,312.92x = 15,609.94 × 6,276.34
  4. Step 4: Simplify right side
    11,312.92x = 97,973,290.82
  5. Step 5: Solve for x
    x = 97,973,290.82/11,312.92
  6. Step 6: Final answer
    x = 8,660.30

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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.