Home / 10,986.32-15,162.46-6,206.47

Finding the Fourth Proportional to 10,986.32, 15,162.46 and 6,206.47

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Solution

The fourth proportional to 10,986.32, 15,162.46 and 6,206.47 is: 8,565.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986.32 : 15,162.46 = 6,206.47 : x
  2. Step 2: Convert to fraction form
    10,986.32/15,162.46 = 6,206.47/x
  3. Step 3: Cross multiply
    10,986.32x = 15,162.46 × 6,206.47
  4. Step 4: Simplify right side
    10,986.32x = 94,105,299.69
  5. Step 5: Solve for x
    x = 94,105,299.69/10,986.32
  6. Step 6: Final answer
    x = 8,565.68

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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.