Home / 9,581.76-14,370.48-2,656.80

Finding the Fourth Proportional to 9,581.76, 14,370.48 and 2,656.80

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Solution

The fourth proportional to 9,581.76, 14,370.48 and 2,656.80 is: 3,984.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,581.76 : 14,370.48 = 2,656.80 : x
  2. Step 2: Convert to fraction form
    9,581.76/14,370.48 = 2,656.80/x
  3. Step 3: Cross multiply
    9,581.76x = 14,370.48 × 2,656.80
  4. Step 4: Simplify right side
    9,581.76x = 38,179,491.26
  5. Step 5: Solve for x
    x = 38,179,491.26/9,581.76
  6. Step 6: Final answer
    x = 3,984.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.