Home / 9,809.81-13,537.68-5,333.56

Finding the Fourth Proportional to 9,809.81, 13,537.68 and 5,333.56

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Solution

The fourth proportional to 9,809.81, 13,537.68 and 5,333.56 is: 7,360.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,809.81 : 13,537.68 = 5,333.56 : x
  2. Step 2: Convert to fraction form
    9,809.81/13,537.68 = 5,333.56/x
  3. Step 3: Cross multiply
    9,809.81x = 13,537.68 × 5,333.56
  4. Step 4: Simplify right side
    9,809.81x = 72,204,080.85
  5. Step 5: Solve for x
    x = 72,204,080.85/9,809.81
  6. Step 6: Final answer
    x = 7,360.40

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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.