Home / 11,680.86-16,125.46-7,436.18

Finding the Fourth Proportional to 11,680.86, 16,125.46 and 7,436.18

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Solution

The fourth proportional to 11,680.86, 16,125.46 and 7,436.18 is: 10,265.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,680.86 : 16,125.46 = 7,436.18 : x
  2. Step 2: Convert to fraction form
    11,680.86/16,125.46 = 7,436.18/x
  3. Step 3: Cross multiply
    11,680.86x = 16,125.46 × 7,436.18
  4. Step 4: Simplify right side
    11,680.86x = 119,911,823.14
  5. Step 5: Solve for x
    x = 119,911,823.14/11,680.86
  6. Step 6: Final answer
    x = 10,265.67

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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.