Home / 9,453.96-13,042.35-6,621.81

Finding the Fourth Proportional to 9,453.96, 13,042.35 and 6,621.81

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Solution

The fourth proportional to 9,453.96, 13,042.35 and 6,621.81 is: 9,135.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,453.96 : 13,042.35 = 6,621.81 : x
  2. Step 2: Convert to fraction form
    9,453.96/13,042.35 = 6,621.81/x
  3. Step 3: Cross multiply
    9,453.96x = 13,042.35 × 6,621.81
  4. Step 4: Simplify right side
    9,453.96x = 86,363,963.65
  5. Step 5: Solve for x
    x = 86,363,963.65/9,453.96
  6. Step 6: Final answer
    x = 9,135.22

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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.