Home / 14,282.91-21,425.39-4,420.92

Finding the Fourth Proportional to 14,282.91, 21,425.39 and 4,420.92

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Solution

The fourth proportional to 14,282.91, 21,425.39 and 4,420.92 is: 6,631.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,282.91 : 21,425.39 = 4,420.92 : x
  2. Step 2: Convert to fraction form
    14,282.91/21,425.39 = 4,420.92/x
  3. Step 3: Cross multiply
    14,282.91x = 21,425.39 × 4,420.92
  4. Step 4: Simplify right side
    14,282.91x = 94,719,935.16
  5. Step 5: Solve for x
    x = 94,719,935.16/14,282.91
  6. Step 6: Final answer
    x = 6,631.70

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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.