Home / 10,011.09-15,017.54-5,079.41

Finding the Fourth Proportional to 10,011.09, 15,017.54 and 5,079.41

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Solution

The fourth proportional to 10,011.09, 15,017.54 and 5,079.41 is: 7,619.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,011.09 : 15,017.54 = 5,079.41 : x
  2. Step 2: Convert to fraction form
    10,011.09/15,017.54 = 5,079.41/x
  3. Step 3: Cross multiply
    10,011.09x = 15,017.54 × 5,079.41
  4. Step 4: Simplify right side
    10,011.09x = 76,280,198.68
  5. Step 5: Solve for x
    x = 76,280,198.68/10,011.09
  6. Step 6: Final answer
    x = 7,619.57

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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.