Home / 9,867.76-13,616.58-6,674.56

Finding the Fourth Proportional to 9,867.76, 13,616.58 and 6,674.56

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Solution

The fourth proportional to 9,867.76, 13,616.58 and 6,674.56 is: 9,210.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,867.76 : 13,616.58 = 6,674.56 : x
  2. Step 2: Convert to fraction form
    9,867.76/13,616.58 = 6,674.56/x
  3. Step 3: Cross multiply
    9,867.76x = 13,616.58 × 6,674.56
  4. Step 4: Simplify right side
    9,867.76x = 90,884,680.20
  5. Step 5: Solve for x
    x = 90,884,680.20/9,867.76
  6. Step 6: Final answer
    x = 9,210.26

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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.