Home / 11,345.60-17,006.70-5,108.60

Finding the Fourth Proportional to 11,345.60, 17,006.70 and 5,108.60

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Solution

The fourth proportional to 11,345.60, 17,006.70 and 5,108.60 is: 7,657.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.60 : 17,006.70 = 5,108.60 : x
  2. Step 2: Convert to fraction form
    11,345.60/17,006.70 = 5,108.60/x
  3. Step 3: Cross multiply
    11,345.60x = 17,006.70 × 5,108.60
  4. Step 4: Simplify right side
    11,345.60x = 86,880,427.62
  5. Step 5: Solve for x
    x = 86,880,427.62/11,345.60
  6. Step 6: Final answer
    x = 7,657.63

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1.5x scale

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.