Home / 15,511.51-23,267.70-5,658.15

Finding the Fourth Proportional to 15,511.51, 23,267.70 and 5,658.15

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Solution

The fourth proportional to 15,511.51, 23,267.70 and 5,658.15 is: 8,487.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,511.51 : 23,267.70 = 5,658.15 : x
  2. Step 2: Convert to fraction form
    15,511.51/23,267.70 = 5,658.15/x
  3. Step 3: Cross multiply
    15,511.51x = 23,267.70 × 5,658.15
  4. Step 4: Simplify right side
    15,511.51x = 131,652,136.76
  5. Step 5: Solve for x
    x = 131,652,136.76/15,511.51
  6. Step 6: Final answer
    x = 8,487.38

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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.