Home / 9,519.16-14,279.04-2,855.56

Finding the Fourth Proportional to 9,519.16, 14,279.04 and 2,855.56

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Solution

The fourth proportional to 9,519.16, 14,279.04 and 2,855.56 is: 4,283.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,519.16 : 14,279.04 = 2,855.56 : x
  2. Step 2: Convert to fraction form
    9,519.16/14,279.04 = 2,855.56/x
  3. Step 3: Cross multiply
    9,519.16x = 14,279.04 × 2,855.56
  4. Step 4: Simplify right side
    9,519.16x = 40,774,655.46
  5. Step 5: Solve for x
    x = 40,774,655.46/9,519.16
  6. Step 6: Final answer
    x = 4,283.43

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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.