Home / 9,658.40-13,326.36-6,465.92

Finding the Fourth Proportional to 9,658.40, 13,326.36 and 6,465.92

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Solution

The fourth proportional to 9,658.40, 13,326.36 and 6,465.92 is: 8,921.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,658.40 : 13,326.36 = 6,465.92 : x
  2. Step 2: Convert to fraction form
    9,658.40/13,326.36 = 6,465.92/x
  3. Step 3: Cross multiply
    9,658.40x = 13,326.36 × 6,465.92
  4. Step 4: Simplify right side
    9,658.40x = 86,167,177.65
  5. Step 5: Solve for x
    x = 86,167,177.65/9,658.40
  6. Step 6: Final answer
    x = 8,921.48

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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.