Home / 11,539.36-15,923.82-7,070.68

Finding the Fourth Proportional to 11,539.36, 15,923.82 and 7,070.68

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Solution

The fourth proportional to 11,539.36, 15,923.82 and 7,070.68 is: 9,757.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,539.36 : 15,923.82 = 7,070.68 : x
  2. Step 2: Convert to fraction form
    11,539.36/15,923.82 = 7,070.68/x
  3. Step 3: Cross multiply
    11,539.36x = 15,923.82 × 7,070.68
  4. Step 4: Simplify right side
    11,539.36x = 112,592,235.60
  5. Step 5: Solve for x
    x = 112,592,235.60/11,539.36
  6. Step 6: Final answer
    x = 9,757.23

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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.