Home / 16,890.24-23,302.82-9,810.84

Finding the Fourth Proportional to 16,890.24, 23,302.82 and 9,810.84

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Solution

The fourth proportional to 16,890.24, 23,302.82 and 9,810.84 is: 13,535.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,890.24 : 23,302.82 = 9,810.84 : x
  2. Step 2: Convert to fraction form
    16,890.24/23,302.82 = 9,810.84/x
  3. Step 3: Cross multiply
    16,890.24x = 23,302.82 × 9,810.84
  4. Step 4: Simplify right side
    16,890.24x = 228,620,238.57
  5. Step 5: Solve for x
    x = 228,620,238.57/16,890.24
  6. Step 6: Final answer
    x = 13,535.64

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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.