Home / 10,514.32-14,515.38-8,240.98

Finding the Fourth Proportional to 10,514.32, 14,515.38 and 8,240.98

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Solution

The fourth proportional to 10,514.32, 14,515.38 and 8,240.98 is: 11,376.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,514.32 : 14,515.38 = 8,240.98 : x
  2. Step 2: Convert to fraction form
    10,514.32/14,515.38 = 8,240.98/x
  3. Step 3: Cross multiply
    10,514.32x = 14,515.38 × 8,240.98
  4. Step 4: Simplify right side
    10,514.32x = 119,620,956.27
  5. Step 5: Solve for x
    x = 119,620,956.27/10,514.32
  6. Step 6: Final answer
    x = 11,376.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.