Home / 16,329.64-22,501.50-15,447.40

Finding the Fourth Proportional to 16,329.64, 22,501.50 and 15,447.40

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Solution

The fourth proportional to 16,329.64, 22,501.50 and 15,447.40 is: 21,285.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,329.64 : 22,501.50 = 15,447.40 : x
  2. Step 2: Convert to fraction form
    16,329.64/22,501.50 = 15,447.40/x
  3. Step 3: Cross multiply
    16,329.64x = 22,501.50 × 15,447.40
  4. Step 4: Simplify right side
    16,329.64x = 347,589,671.10
  5. Step 5: Solve for x
    x = 347,589,671.10/16,329.64
  6. Step 6: Final answer
    x = 21,285.81

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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.