Home / 9,159.36-13,719.86-5,855.64

Finding the Fourth Proportional to 9,159.36, 13,719.86 and 5,855.64

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Solution

The fourth proportional to 9,159.36, 13,719.86 and 5,855.64 is: 8,771.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,159.36 : 13,719.86 = 5,855.64 : x
  2. Step 2: Convert to fraction form
    9,159.36/13,719.86 = 5,855.64/x
  3. Step 3: Cross multiply
    9,159.36x = 13,719.86 × 5,855.64
  4. Step 4: Simplify right side
    9,159.36x = 80,338,561.01
  5. Step 5: Solve for x
    x = 80,338,561.01/9,159.36
  6. Step 6: Final answer
    x = 8,771.20

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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.