Home / 19,489.95-29,185.11-10,715.22

Finding the Fourth Proportional to 19,489.95, 29,185.11 and 10,715.22

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Solution

The fourth proportional to 19,489.95, 29,185.11 and 10,715.22 is: 16,045.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,489.95 : 29,185.11 = 10,715.22 : x
  2. Step 2: Convert to fraction form
    19,489.95/29,185.11 = 10,715.22/x
  3. Step 3: Cross multiply
    19,489.95x = 29,185.11 × 10,715.22
  4. Step 4: Simplify right side
    19,489.95x = 312,724,874.37
  5. Step 5: Solve for x
    x = 312,724,874.37/19,489.95
  6. Step 6: Final answer
    x = 16,045.44

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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.