Home / 10,517.32-14,514.92-7,860.08

Finding the Fourth Proportional to 10,517.32, 14,514.92 and 7,860.08

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Solution

The fourth proportional to 10,517.32, 14,514.92 and 7,860.08 is: 10,847.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,517.32 : 14,514.92 = 7,860.08 : x
  2. Step 2: Convert to fraction form
    10,517.32/14,514.92 = 7,860.08/x
  3. Step 3: Cross multiply
    10,517.32x = 14,514.92 × 7,860.08
  4. Step 4: Simplify right side
    10,517.32x = 114,088,432.39
  5. Step 5: Solve for x
    x = 114,088,432.39/10,517.32
  6. Step 6: Final answer
    x = 10,847.67

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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.