Home / 16,485.90-22,761.03-10,830.70

Finding the Fourth Proportional to 16,485.90, 22,761.03 and 10,830.70

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Solution

The fourth proportional to 16,485.90, 22,761.03 and 10,830.70 is: 14,953.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,485.90 : 22,761.03 = 10,830.70 : x
  2. Step 2: Convert to fraction form
    16,485.90/22,761.03 = 10,830.70/x
  3. Step 3: Cross multiply
    16,485.90x = 22,761.03 × 10,830.70
  4. Step 4: Simplify right side
    16,485.90x = 246,517,887.62
  5. Step 5: Solve for x
    x = 246,517,887.62/16,485.90
  6. Step 6: Final answer
    x = 14,953.26

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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.