Home / 9,670.08-13,345.92-5,479.68

Finding the Fourth Proportional to 9,670.08, 13,345.92 and 5,479.68

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Solution

The fourth proportional to 9,670.08, 13,345.92 and 5,479.68 is: 7,562.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,670.08 : 13,345.92 = 5,479.68 : x
  2. Step 2: Convert to fraction form
    9,670.08/13,345.92 = 5,479.68/x
  3. Step 3: Cross multiply
    9,670.08x = 13,345.92 × 5,479.68
  4. Step 4: Simplify right side
    9,670.08x = 73,131,370.91
  5. Step 5: Solve for x
    x = 73,131,370.91/9,670.08
  6. Step 6: Final answer
    x = 7,562.64

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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.