Home / 9,789.24-14,684.58-3,215.28

Finding the Fourth Proportional to 9,789.24, 14,684.58 and 3,215.28

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Solution

The fourth proportional to 9,789.24, 14,684.58 and 3,215.28 is: 4,823.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,789.24 : 14,684.58 = 3,215.28 : x
  2. Step 2: Convert to fraction form
    9,789.24/14,684.58 = 3,215.28/x
  3. Step 3: Cross multiply
    9,789.24x = 14,684.58 × 3,215.28
  4. Step 4: Simplify right side
    9,789.24x = 47,215,036.38
  5. Step 5: Solve for x
    x = 47,215,036.38/9,789.24
  6. Step 6: Final answer
    x = 4,823.16

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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.