Home / 13,281-19,925.01-6,619.46

Finding the Fourth Proportional to 13,281, 19,925.01 and 6,619.46

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Solution

The fourth proportional to 13,281, 19,925.01 and 6,619.46 is: 9,930.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,281 : 19,925.01 = 6,619.46 : x
  2. Step 2: Convert to fraction form
    13,281/19,925.01 = 6,619.46/x
  3. Step 3: Cross multiply
    13,281x = 19,925.01 × 6,619.46
  4. Step 4: Simplify right side
    13,281x = 131,892,806.69
  5. Step 5: Solve for x
    x = 131,892,806.69/13,281
  6. Step 6: Final answer
    x = 9,930.94

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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.