Home / 13,009.98-19,506.87-4,243.62

Finding the Fourth Proportional to 13,009.98, 19,506.87 and 4,243.62

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Solution

The fourth proportional to 13,009.98, 19,506.87 and 4,243.62 is: 6,362.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,009.98 : 19,506.87 = 4,243.62 : x
  2. Step 2: Convert to fraction form
    13,009.98/19,506.87 = 4,243.62/x
  3. Step 3: Cross multiply
    13,009.98x = 19,506.87 × 4,243.62
  4. Step 4: Simplify right side
    13,009.98x = 82,779,743.67
  5. Step 5: Solve for x
    x = 82,779,743.67/13,009.98
  6. Step 6: Final answer
    x = 6,362.79

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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.