Home / 13,459.25-20,175.86-7,539.03

Finding the Fourth Proportional to 13,459.25, 20,175.86 and 7,539.03

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Solution

The fourth proportional to 13,459.25, 20,175.86 and 7,539.03 is: 11,301.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,459.25 : 20,175.86 = 7,539.03 : x
  2. Step 2: Convert to fraction form
    13,459.25/20,175.86 = 7,539.03/x
  3. Step 3: Cross multiply
    13,459.25x = 20,175.86 × 7,539.03
  4. Step 4: Simplify right side
    13,459.25x = 152,106,432.66
  5. Step 5: Solve for x
    x = 152,106,432.66/13,459.25
  6. Step 6: Final answer
    x = 11,301.25

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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.