Home / 11,290.16-15,579.64-6,253.91

Finding the Fourth Proportional to 11,290.16, 15,579.64 and 6,253.91

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Solution

The fourth proportional to 11,290.16, 15,579.64 and 6,253.91 is: 8,629.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.16 : 15,579.64 = 6,253.91 : x
  2. Step 2: Convert to fraction form
    11,290.16/15,579.64 = 6,253.91/x
  3. Step 3: Cross multiply
    11,290.16x = 15,579.64 × 6,253.91
  4. Step 4: Simplify right side
    11,290.16x = 97,433,654.74
  5. Step 5: Solve for x
    x = 97,433,654.74/11,290.16
  6. Step 6: Final answer
    x = 8,629.96

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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.