Home / 11,011.57-15,195.70-5,975.57

Finding the Fourth Proportional to 11,011.57, 15,195.70 and 5,975.57

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Solution

The fourth proportional to 11,011.57, 15,195.70 and 5,975.57 is: 8,246.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.57 : 15,195.70 = 5,975.57 : x
  2. Step 2: Convert to fraction form
    11,011.57/15,195.70 = 5,975.57/x
  3. Step 3: Cross multiply
    11,011.57x = 15,195.70 × 5,975.57
  4. Step 4: Simplify right side
    11,011.57x = 90,803,014.51
  5. Step 5: Solve for x
    x = 90,803,014.51/11,011.57
  6. Step 6: Final answer
    x = 8,246.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.