Home / 11,173.07-15,424.35-7,654.70

Finding the Fourth Proportional to 11,173.07, 15,424.35 and 7,654.70

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Solution

The fourth proportional to 11,173.07, 15,424.35 and 7,654.70 is: 10,567.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,173.07 : 15,424.35 = 7,654.70 : x
  2. Step 2: Convert to fraction form
    11,173.07/15,424.35 = 7,654.70/x
  3. Step 3: Cross multiply
    11,173.07x = 15,424.35 × 7,654.70
  4. Step 4: Simplify right side
    11,173.07x = 118,068,771.95
  5. Step 5: Solve for x
    x = 118,068,771.95/11,173.07
  6. Step 6: Final answer
    x = 10,567.26

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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.