Home / 14,148.73-21,226.15-4,288.75

Finding the Fourth Proportional to 14,148.73, 21,226.15 and 4,288.75

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Solution

The fourth proportional to 14,148.73, 21,226.15 and 4,288.75 is: 6,434.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.73 : 21,226.15 = 4,288.75 : x
  2. Step 2: Convert to fraction form
    14,148.73/21,226.15 = 4,288.75/x
  3. Step 3: Cross multiply
    14,148.73x = 21,226.15 × 4,288.75
  4. Step 4: Simplify right side
    14,148.73x = 91,033,603.11
  5. Step 5: Solve for x
    x = 91,033,603.11/14,148.73
  6. Step 6: Final answer
    x = 6,434.05

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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.