Home / 10,412.90-15,619.59-3,749.06

Finding the Fourth Proportional to 10,412.90, 15,619.59 and 3,749.06

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Solution

The fourth proportional to 10,412.90, 15,619.59 and 3,749.06 is: 5,623.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,412.90 : 15,619.59 = 3,749.06 : x
  2. Step 2: Convert to fraction form
    10,412.90/15,619.59 = 3,749.06/x
  3. Step 3: Cross multiply
    10,412.90x = 15,619.59 × 3,749.06
  4. Step 4: Simplify right side
    10,412.90x = 58,558,780.09
  5. Step 5: Solve for x
    x = 58,558,780.09/10,412.90
  6. Step 6: Final answer
    x = 5,623.68

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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.