Home / 11,290.32-15,580.44-6,254.42

Finding the Fourth Proportional to 11,290.32, 15,580.44 and 6,254.42

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Solution

The fourth proportional to 11,290.32, 15,580.44 and 6,254.42 is: 8,630.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.32 : 15,580.44 = 6,254.42 : x
  2. Step 2: Convert to fraction form
    11,290.32/15,580.44 = 6,254.42/x
  3. Step 3: Cross multiply
    11,290.32x = 15,580.44 × 6,254.42
  4. Step 4: Simplify right side
    11,290.32x = 97,446,537.64
  5. Step 5: Solve for x
    x = 97,446,537.64/11,290.32
  6. Step 6: Final answer
    x = 8,630.98

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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.