Home / 11,327.28-15,630.87-6,291.24

Finding the Fourth Proportional to 11,327.28, 15,630.87 and 6,291.24

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Solution

The fourth proportional to 11,327.28, 15,630.87 and 6,291.24 is: 8,681.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,327.28 : 15,630.87 = 6,291.24 : x
  2. Step 2: Convert to fraction form
    11,327.28/15,630.87 = 6,291.24/x
  3. Step 3: Cross multiply
    11,327.28x = 15,630.87 × 6,291.24
  4. Step 4: Simplify right side
    11,327.28x = 98,337,554.58
  5. Step 5: Solve for x
    x = 98,337,554.58/11,327.28
  6. Step 6: Final answer
    x = 8,681.48

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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.