Home / 16,825.71-23,220.09-10,455.81

Finding the Fourth Proportional to 16,825.71, 23,220.09 and 10,455.81

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Solution

The fourth proportional to 16,825.71, 23,220.09 and 10,455.81 is: 14,429.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,825.71 : 23,220.09 = 10,455.81 : x
  2. Step 2: Convert to fraction form
    16,825.71/23,220.09 = 10,455.81/x
  3. Step 3: Cross multiply
    16,825.71x = 23,220.09 × 10,455.81
  4. Step 4: Simplify right side
    16,825.71x = 242,784,849.22
  5. Step 5: Solve for x
    x = 242,784,849.22/16,825.71
  6. Step 6: Final answer
    x = 14,429.40

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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.