Home / 14,015.67-19,341.69-7,728.06

Finding the Fourth Proportional to 14,015.67, 19,341.69 and 7,728.06

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Solution

The fourth proportional to 14,015.67, 19,341.69 and 7,728.06 is: 10,664.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.67 : 19,341.69 = 7,728.06 : x
  2. Step 2: Convert to fraction form
    14,015.67/19,341.69 = 7,728.06/x
  3. Step 3: Cross multiply
    14,015.67x = 19,341.69 × 7,728.06
  4. Step 4: Simplify right side
    14,015.67x = 149,473,740.82
  5. Step 5: Solve for x
    x = 149,473,740.82/14,015.67
  6. Step 6: Final answer
    x = 10,664.76

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Half scale
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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.