Home / 15,958.40-23,908.80-14,115.20

Finding the Fourth Proportional to 15,958.40, 23,908.80 and 14,115.20

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Solution

The fourth proportional to 15,958.40, 23,908.80 and 14,115.20 is: 21,147.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,958.40 : 23,908.80 = 14,115.20 : x
  2. Step 2: Convert to fraction form
    15,958.40/23,908.80 = 14,115.20/x
  3. Step 3: Cross multiply
    15,958.40x = 23,908.80 × 14,115.20
  4. Step 4: Simplify right side
    15,958.40x = 337,477,493.76
  5. Step 5: Solve for x
    x = 337,477,493.76/15,958.40
  6. Step 6: Final answer
    x = 21,147.33

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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.