Home / 14,643.27-20,207.75-7,928.98

Finding the Fourth Proportional to 14,643.27, 20,207.75 and 7,928.98

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Solution

The fourth proportional to 14,643.27, 20,207.75 and 7,928.98 is: 10,942.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,643.27 : 20,207.75 = 7,928.98 : x
  2. Step 2: Convert to fraction form
    14,643.27/20,207.75 = 7,928.98/x
  3. Step 3: Cross multiply
    14,643.27x = 20,207.75 × 7,928.98
  4. Step 4: Simplify right side
    14,643.27x = 160,226,845.60
  5. Step 5: Solve for x
    x = 160,226,845.60/14,643.27
  6. Step 6: Final answer
    x = 10,942.01

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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.