Home / 14,639.69-20,202.79-7,925.38

Finding the Fourth Proportional to 14,639.69, 20,202.79 and 7,925.38

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Solution

The fourth proportional to 14,639.69, 20,202.79 and 7,925.38 is: 10,937.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,639.69 : 20,202.79 = 7,925.38 : x
  2. Step 2: Convert to fraction form
    14,639.69/20,202.79 = 7,925.38/x
  3. Step 3: Cross multiply
    14,639.69x = 20,202.79 × 7,925.38
  4. Step 4: Simplify right side
    14,639.69x = 160,114,717.49
  5. Step 5: Solve for x
    x = 160,114,717.49/14,639.69
  6. Step 6: Final answer
    x = 10,937.03

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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.