Home / 11,461.04-15,823.60-7,217.88

Finding the Fourth Proportional to 11,461.04, 15,823.60 and 7,217.88

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Solution

The fourth proportional to 11,461.04, 15,823.60 and 7,217.88 is: 9,965.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,461.04 : 15,823.60 = 7,217.88 : x
  2. Step 2: Convert to fraction form
    11,461.04/15,823.60 = 7,217.88/x
  3. Step 3: Cross multiply
    11,461.04x = 15,823.60 × 7,217.88
  4. Step 4: Simplify right side
    11,461.04x = 114,212,845.97
  5. Step 5: Solve for x
    x = 114,212,845.97/11,461.04
  6. Step 6: Final answer
    x = 9,965.31

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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.