Home / 15,774.49-23,676.32-7,988.77

Finding the Fourth Proportional to 15,774.49, 23,676.32 and 7,988.77

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Solution

The fourth proportional to 15,774.49, 23,676.32 and 7,988.77 is: 11,990.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,774.49 : 23,676.32 = 7,988.77 : x
  2. Step 2: Convert to fraction form
    15,774.49/23,676.32 = 7,988.77/x
  3. Step 3: Cross multiply
    15,774.49x = 23,676.32 × 7,988.77
  4. Step 4: Simplify right side
    15,774.49x = 189,144,634.98
  5. Step 5: Solve for x
    x = 189,144,634.98/15,774.49
  6. Step 6: Final answer
    x = 11,990.54

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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.