Home / 12,795.74-19,191.93-4,030.70

Finding the Fourth Proportional to 12,795.74, 19,191.93 and 4,030.70

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Solution

The fourth proportional to 12,795.74, 19,191.93 and 4,030.70 is: 6,045.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,795.74 : 19,191.93 = 4,030.70 : x
  2. Step 2: Convert to fraction form
    12,795.74/19,191.93 = 4,030.70/x
  3. Step 3: Cross multiply
    12,795.74x = 19,191.93 × 4,030.70
  4. Step 4: Simplify right side
    12,795.74x = 77,356,912.25
  5. Step 5: Solve for x
    x = 77,356,912.25/12,795.74
  6. Step 6: Final answer
    x = 6,045.52

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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.