Home / 14,332.32-19,777.63-7,958.58

Finding the Fourth Proportional to 14,332.32, 19,777.63 and 7,958.58

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Solution

The fourth proportional to 14,332.32, 19,777.63 and 7,958.58 is: 10,982.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,332.32 : 19,777.63 = 7,958.58 : x
  2. Step 2: Convert to fraction form
    14,332.32/19,777.63 = 7,958.58/x
  3. Step 3: Cross multiply
    14,332.32x = 19,777.63 × 7,958.58
  4. Step 4: Simplify right side
    14,332.32x = 157,401,850.57
  5. Step 5: Solve for x
    x = 157,401,850.57/14,332.32
  6. Step 6: Final answer
    x = 10,982.30

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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.