Home / 13,090.24-18,058.57-7,782.04

Finding the Fourth Proportional to 13,090.24, 18,058.57 and 7,782.04

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Solution

The fourth proportional to 13,090.24, 18,058.57 and 7,782.04 is: 10,735.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,090.24 : 18,058.57 = 7,782.04 : x
  2. Step 2: Convert to fraction form
    13,090.24/18,058.57 = 7,782.04/x
  3. Step 3: Cross multiply
    13,090.24x = 18,058.57 × 7,782.04
  4. Step 4: Simplify right side
    13,090.24x = 140,532,514.08
  5. Step 5: Solve for x
    x = 140,532,514.08/13,090.24
  6. Step 6: Final answer
    x = 10,735.67

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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.