Home / 14,070.65-21,099.49-5,299.97

Finding the Fourth Proportional to 14,070.65, 21,099.49 and 5,299.97

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Solution

The fourth proportional to 14,070.65, 21,099.49 and 5,299.97 is: 7,947.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,070.65 : 21,099.49 = 5,299.97 : x
  2. Step 2: Convert to fraction form
    14,070.65/21,099.49 = 5,299.97/x
  3. Step 3: Cross multiply
    14,070.65x = 21,099.49 × 5,299.97
  4. Step 4: Simplify right side
    14,070.65x = 111,826,545.27
  5. Step 5: Solve for x
    x = 111,826,545.27/14,070.65
  6. Step 6: Final answer
    x = 7,947.51

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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.