Home / 16,786.40-23,151.12-14,140

Finding the Fourth Proportional to 16,786.40, 23,151.12 and 14,140

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Solution

The fourth proportional to 16,786.40, 23,151.12 and 14,140 is: 19,501.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,786.40 : 23,151.12 = 14,140 : x
  2. Step 2: Convert to fraction form
    16,786.40/23,151.12 = 14,140/x
  3. Step 3: Cross multiply
    16,786.40x = 23,151.12 × 14,140
  4. Step 4: Simplify right side
    16,786.40x = 327,356,836.80
  5. Step 5: Solve for x
    x = 327,356,836.80/16,786.40
  6. Step 6: Final answer
    x = 19,501.31

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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.