Home / 14,124.70-21,211.35-9,993.70

Finding the Fourth Proportional to 14,124.70, 21,211.35 and 9,993.70

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Solution

The fourth proportional to 14,124.70, 21,211.35 and 9,993.70 is: 15,007.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.70 : 21,211.35 = 9,993.70 : x
  2. Step 2: Convert to fraction form
    14,124.70/21,211.35 = 9,993.70/x
  3. Step 3: Cross multiply
    14,124.70x = 21,211.35 × 9,993.70
  4. Step 4: Simplify right side
    14,124.70x = 211,979,868.50
  5. Step 5: Solve for x
    x = 211,979,868.50/14,124.70
  6. Step 6: Final answer
    x = 15,007.74

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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.