Home / 16,822.74-23,210.52-10,857.90

Finding the Fourth Proportional to 16,822.74, 23,210.52 and 10,857.90

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Solution

The fourth proportional to 16,822.74, 23,210.52 and 10,857.90 is: 14,980.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,822.74 : 23,210.52 = 10,857.90 : x
  2. Step 2: Convert to fraction form
    16,822.74/23,210.52 = 10,857.90/x
  3. Step 3: Cross multiply
    16,822.74x = 23,210.52 × 10,857.90
  4. Step 4: Simplify right side
    16,822.74x = 252,017,505.11
  5. Step 5: Solve for x
    x = 252,017,505.11/16,822.74
  6. Step 6: Final answer
    x = 14,980.76

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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.