Home / 11,378.07-17,085.63-7,023.21

Finding the Fourth Proportional to 11,378.07, 17,085.63 and 7,023.21

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Solution

The fourth proportional to 11,378.07, 17,085.63 and 7,023.21 is: 10,546.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,378.07 : 17,085.63 = 7,023.21 : x
  2. Step 2: Convert to fraction form
    11,378.07/17,085.63 = 7,023.21/x
  3. Step 3: Cross multiply
    11,378.07x = 17,085.63 × 7,023.21
  4. Step 4: Simplify right side
    11,378.07x = 119,995,967.47
  5. Step 5: Solve for x
    x = 119,995,967.47/11,378.07
  6. Step 6: Final answer
    x = 10,546.25

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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.