Home / 16,332.64-22,505.64-15,450.40

Finding the Fourth Proportional to 16,332.64, 22,505.64 and 15,450.40

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Solution

The fourth proportional to 16,332.64, 22,505.64 and 15,450.40 is: 21,289.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,332.64 : 22,505.64 = 15,450.40 : x
  2. Step 2: Convert to fraction form
    16,332.64/22,505.64 = 15,450.40/x
  3. Step 3: Cross multiply
    16,332.64x = 22,505.64 × 15,450.40
  4. Step 4: Simplify right side
    16,332.64x = 347,721,140.26
  5. Step 5: Solve for x
    x = 347,721,140.26/16,332.64
  6. Step 6: Final answer
    x = 21,289.95

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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.