Home / 12,699.72-19,050.93-3,935.32

Finding the Fourth Proportional to 12,699.72, 19,050.93 and 3,935.32

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Solution

The fourth proportional to 12,699.72, 19,050.93 and 3,935.32 is: 5,903.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,699.72 : 19,050.93 = 3,935.32 : x
  2. Step 2: Convert to fraction form
    12,699.72/19,050.93 = 3,935.32/x
  3. Step 3: Cross multiply
    12,699.72x = 19,050.93 × 3,935.32
  4. Step 4: Simplify right side
    12,699.72x = 74,971,458.22
  5. Step 5: Solve for x
    x = 74,971,458.22/12,699.72
  6. Step 6: Final answer
    x = 5,903.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.