Home / 9,760.04-13,462.44-6,405.92

Finding the Fourth Proportional to 9,760.04, 13,462.44 and 6,405.92

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Solution

The fourth proportional to 9,760.04, 13,462.44 and 6,405.92 is: 8,835.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,760.04 : 13,462.44 = 6,405.92 : x
  2. Step 2: Convert to fraction form
    9,760.04/13,462.44 = 6,405.92/x
  3. Step 3: Cross multiply
    9,760.04x = 13,462.44 × 6,405.92
  4. Step 4: Simplify right side
    9,760.04x = 86,239,313.64
  5. Step 5: Solve for x
    x = 86,239,313.64/9,760.04
  6. Step 6: Final answer
    x = 8,835.96

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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.