Home / 15,421.13-23,131.62-3,734.35

Finding the Fourth Proportional to 15,421.13, 23,131.62 and 3,734.35

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Solution

The fourth proportional to 15,421.13, 23,131.62 and 3,734.35 is: 5,601.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,421.13 : 23,131.62 = 3,734.35 : x
  2. Step 2: Convert to fraction form
    15,421.13/23,131.62 = 3,734.35/x
  3. Step 3: Cross multiply
    15,421.13x = 23,131.62 × 3,734.35
  4. Step 4: Simplify right side
    15,421.13x = 86,381,507.32
  5. Step 5: Solve for x
    x = 86,381,507.32/15,421.13
  6. Step 6: Final answer
    x = 5,601.50

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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.