Home / 9,427.45-14,143.20-2,854.30

Finding the Fourth Proportional to 9,427.45, 14,143.20 and 2,854.30

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Solution

The fourth proportional to 9,427.45, 14,143.20 and 2,854.30 is: 4,282.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,427.45 : 14,143.20 = 2,854.30 : x
  2. Step 2: Convert to fraction form
    9,427.45/14,143.20 = 2,854.30/x
  3. Step 3: Cross multiply
    9,427.45x = 14,143.20 × 2,854.30
  4. Step 4: Simplify right side
    9,427.45x = 40,368,935.76
  5. Step 5: Solve for x
    x = 40,368,935.76/9,427.45
  6. Step 6: Final answer
    x = 4,282.06

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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.