Home / 15,514.88-23,285.74-8,124.50

Finding the Fourth Proportional to 15,514.88, 23,285.74 and 8,124.50

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Solution

The fourth proportional to 15,514.88, 23,285.74 and 8,124.50 is: 12,193.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,514.88 : 23,285.74 = 8,124.50 : x
  2. Step 2: Convert to fraction form
    15,514.88/23,285.74 = 8,124.50/x
  3. Step 3: Cross multiply
    15,514.88x = 23,285.74 × 8,124.50
  4. Step 4: Simplify right side
    15,514.88x = 189,184,994.63
  5. Step 5: Solve for x
    x = 189,184,994.63/15,514.88
  6. Step 6: Final answer
    x = 12,193.78

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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.