Home / 9,989.16-14,967.21-8,958.97

Finding the Fourth Proportional to 9,989.16, 14,967.21 and 8,958.97

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Solution

The fourth proportional to 9,989.16, 14,967.21 and 8,958.97 is: 13,423.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,989.16 : 14,967.21 = 8,958.97 : x
  2. Step 2: Convert to fraction form
    9,989.16/14,967.21 = 8,958.97/x
  3. Step 3: Cross multiply
    9,989.16x = 14,967.21 × 8,958.97
  4. Step 4: Simplify right side
    9,989.16x = 134,090,785.37
  5. Step 5: Solve for x
    x = 134,090,785.37/9,989.16
  6. Step 6: Final answer
    x = 13,423.63

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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.