Home / 9,109.74-13,668.96-4,727.20

Finding the Fourth Proportional to 9,109.74, 13,668.96 and 4,727.20

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Solution

The fourth proportional to 9,109.74, 13,668.96 and 4,727.20 is: 7,093.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,109.74 : 13,668.96 = 4,727.20 : x
  2. Step 2: Convert to fraction form
    9,109.74/13,668.96 = 4,727.20/x
  3. Step 3: Cross multiply
    9,109.74x = 13,668.96 × 4,727.20
  4. Step 4: Simplify right side
    9,109.74x = 64,615,907.71
  5. Step 5: Solve for x
    x = 64,615,907.71/9,109.74
  6. Step 6: Final answer
    x = 7,093.06

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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.