Home / 13,189.58-18,200.70-7,523.03

Finding the Fourth Proportional to 13,189.58, 18,200.70 and 7,523.03

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Solution

The fourth proportional to 13,189.58, 18,200.70 and 7,523.03 is: 10,381.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,189.58 : 18,200.70 = 7,523.03 : x
  2. Step 2: Convert to fraction form
    13,189.58/18,200.70 = 7,523.03/x
  3. Step 3: Cross multiply
    13,189.58x = 18,200.70 × 7,523.03
  4. Step 4: Simplify right side
    13,189.58x = 136,924,355.24
  5. Step 5: Solve for x
    x = 136,924,355.24/13,189.58
  6. Step 6: Final answer
    x = 10,381.25

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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.