Home / 14,013.37-19,338.67-7,639.97

Finding the Fourth Proportional to 14,013.37, 19,338.67 and 7,639.97

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Solution

The fourth proportional to 14,013.37, 19,338.67 and 7,639.97 is: 10,543.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013.37 : 19,338.67 = 7,639.97 : x
  2. Step 2: Convert to fraction form
    14,013.37/19,338.67 = 7,639.97/x
  3. Step 3: Cross multiply
    14,013.37x = 19,338.67 × 7,639.97
  4. Step 4: Simplify right side
    14,013.37x = 147,746,858.64
  5. Step 5: Solve for x
    x = 147,746,858.64/14,013.37
  6. Step 6: Final answer
    x = 10,543.28

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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.