Home / 9,809.12-13,536.60-5,332.88

Finding the Fourth Proportional to 9,809.12, 13,536.60 and 5,332.88

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Solution

The fourth proportional to 9,809.12, 13,536.60 and 5,332.88 is: 7,359.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,809.12 : 13,536.60 = 5,332.88 : x
  2. Step 2: Convert to fraction form
    9,809.12/13,536.60 = 5,332.88/x
  3. Step 3: Cross multiply
    9,809.12x = 13,536.60 × 5,332.88
  4. Step 4: Simplify right side
    9,809.12x = 72,189,063.41
  5. Step 5: Solve for x
    x = 72,189,063.41/9,809.12
  6. Step 6: Final answer
    x = 7,359.38

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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.