Home / 14,218.87-21,330.81-4,856.70

Finding the Fourth Proportional to 14,218.87, 21,330.81 and 4,856.70

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Solution

The fourth proportional to 14,218.87, 21,330.81 and 4,856.70 is: 7,285.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218.87 : 21,330.81 = 4,856.70 : x
  2. Step 2: Convert to fraction form
    14,218.87/21,330.81 = 4,856.70/x
  3. Step 3: Cross multiply
    14,218.87x = 21,330.81 × 4,856.70
  4. Step 4: Simplify right side
    14,218.87x = 103,597,238.27
  5. Step 5: Solve for x
    x = 103,597,238.27/14,218.87
  6. Step 6: Final answer
    x = 7,285.90

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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.