Home / 10,412.07-15,619.65-3,015.55

Finding the Fourth Proportional to 10,412.07, 15,619.65 and 3,015.55

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Solution

The fourth proportional to 10,412.07, 15,619.65 and 3,015.55 is: 4,523.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,412.07 : 15,619.65 = 3,015.55 : x
  2. Step 2: Convert to fraction form
    10,412.07/15,619.65 = 3,015.55/x
  3. Step 3: Cross multiply
    10,412.07x = 15,619.65 × 3,015.55
  4. Step 4: Simplify right side
    10,412.07x = 47,101,835.56
  5. Step 5: Solve for x
    x = 47,101,835.56/10,412.07
  6. Step 6: Final answer
    x = 4,523.77

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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.