Home / 16,661.24-22,989.62-10,291.40

Finding the Fourth Proportional to 16,661.24, 22,989.62 and 10,291.40

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Solution

The fourth proportional to 16,661.24, 22,989.62 and 10,291.40 is: 14,200.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,661.24 : 22,989.62 = 10,291.40 : x
  2. Step 2: Convert to fraction form
    16,661.24/22,989.62 = 10,291.40/x
  3. Step 3: Cross multiply
    16,661.24x = 22,989.62 × 10,291.40
  4. Step 4: Simplify right side
    16,661.24x = 236,595,375.27
  5. Step 5: Solve for x
    x = 236,595,375.27/16,661.24
  6. Step 6: Final answer
    x = 14,200.35

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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.