Home / 9,621.42-14,417.24-6,489.15

Finding the Fourth Proportional to 9,621.42, 14,417.24 and 6,489.15

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Solution

The fourth proportional to 9,621.42, 14,417.24 and 6,489.15 is: 9,723.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621.42 : 14,417.24 = 6,489.15 : x
  2. Step 2: Convert to fraction form
    9,621.42/14,417.24 = 6,489.15/x
  3. Step 3: Cross multiply
    9,621.42x = 14,417.24 × 6,489.15
  4. Step 4: Simplify right side
    9,621.42x = 93,555,632.95
  5. Step 5: Solve for x
    x = 93,555,632.95/9,621.42
  6. Step 6: Final answer
    x = 9,723.68

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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.