Home / 12,343.26-17,036.31-7,803.03

Finding the Fourth Proportional to 12,343.26, 17,036.31 and 7,803.03

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Solution

The fourth proportional to 12,343.26, 17,036.31 and 7,803.03 is: 10,769.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,343.26 : 17,036.31 = 7,803.03 : x
  2. Step 2: Convert to fraction form
    12,343.26/17,036.31 = 7,803.03/x
  3. Step 3: Cross multiply
    12,343.26x = 17,036.31 × 7,803.03
  4. Step 4: Simplify right side
    12,343.26x = 132,934,920.19
  5. Step 5: Solve for x
    x = 132,934,920.19/12,343.26
  6. Step 6: Final answer
    x = 10,769.84

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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.