Home / 15,511.69-23,253.70-5,644.07

Finding the Fourth Proportional to 15,511.69, 23,253.70 and 5,644.07

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Solution

The fourth proportional to 15,511.69, 23,253.70 and 5,644.07 is: 8,461.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,511.69 : 23,253.70 = 5,644.07 : x
  2. Step 2: Convert to fraction form
    15,511.69/23,253.70 = 5,644.07/x
  3. Step 3: Cross multiply
    15,511.69x = 23,253.70 × 5,644.07
  4. Step 4: Simplify right side
    15,511.69x = 131,245,510.56
  5. Step 5: Solve for x
    x = 131,245,510.56/15,511.69
  6. Step 6: Final answer
    x = 8,461.07

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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.