Home / 15,741.47-23,539.31-12,191.24

Finding the Fourth Proportional to 15,741.47, 23,539.31 and 12,191.24

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Solution

The fourth proportional to 15,741.47, 23,539.31 and 12,191.24 is: 18,230.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,741.47 : 23,539.31 = 12,191.24 : x
  2. Step 2: Convert to fraction form
    15,741.47/23,539.31 = 12,191.24/x
  3. Step 3: Cross multiply
    15,741.47x = 23,539.31 × 12,191.24
  4. Step 4: Simplify right side
    15,741.47x = 286,973,421.25
  5. Step 5: Solve for x
    x = 286,973,421.25/15,741.47
  6. Step 6: Final answer
    x = 18,230.41

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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.