Home / 11,840.20-17,751.32-7,159.10

Finding the Fourth Proportional to 11,840.20, 17,751.32 and 7,159.10

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Solution

The fourth proportional to 11,840.20, 17,751.32 and 7,159.10 is: 10,733.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,840.20 : 17,751.32 = 7,159.10 : x
  2. Step 2: Convert to fraction form
    11,840.20/17,751.32 = 7,159.10/x
  3. Step 3: Cross multiply
    11,840.20x = 17,751.32 × 7,159.10
  4. Step 4: Simplify right side
    11,840.20x = 127,083,475.01
  5. Step 5: Solve for x
    x = 127,083,475.01/11,840.20
  6. Step 6: Final answer
    x = 10,733.22

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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.