Home / 16,839.80-25,206.36-9,421.84

Finding the Fourth Proportional to 16,839.80, 25,206.36 and 9,421.84

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Solution

The fourth proportional to 16,839.80, 25,206.36 and 9,421.84 is: 14,102.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,839.80 : 25,206.36 = 9,421.84 : x
  2. Step 2: Convert to fraction form
    16,839.80/25,206.36 = 9,421.84/x
  3. Step 3: Cross multiply
    16,839.80x = 25,206.36 × 9,421.84
  4. Step 4: Simplify right side
    16,839.80x = 237,490,290.90
  5. Step 5: Solve for x
    x = 237,490,290.90/16,839.80
  6. Step 6: Final answer
    x = 14,102.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.