Home / 14,013.32-19,338.48-7,725.68

Finding the Fourth Proportional to 14,013.32, 19,338.48 and 7,725.68

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Solution

The fourth proportional to 14,013.32, 19,338.48 and 7,725.68 is: 10,661.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013.32 : 19,338.48 = 7,725.68 : x
  2. Step 2: Convert to fraction form
    14,013.32/19,338.48 = 7,725.68/x
  3. Step 3: Cross multiply
    14,013.32x = 19,338.48 × 7,725.68
  4. Step 4: Simplify right side
    14,013.32x = 149,402,908.17
  5. Step 5: Solve for x
    x = 149,402,908.17/14,013.32
  6. Step 6: Final answer
    x = 10,661.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.