Home / 9,561.80-14,342.70-2,636.30

Finding the Fourth Proportional to 9,561.80, 14,342.70 and 2,636.30

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Solution

The fourth proportional to 9,561.80, 14,342.70 and 2,636.30 is: 3,954.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,561.80 : 14,342.70 = 2,636.30 : x
  2. Step 2: Convert to fraction form
    9,561.80/14,342.70 = 2,636.30/x
  3. Step 3: Cross multiply
    9,561.80x = 14,342.70 × 2,636.30
  4. Step 4: Simplify right side
    9,561.80x = 37,811,660.01
  5. Step 5: Solve for x
    x = 37,811,660.01/9,561.80
  6. Step 6: Final answer
    x = 3,954.45

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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.