Home / 17,345.20-23,930.48-9,790.64

Finding the Fourth Proportional to 17,345.20, 23,930.48 and 9,790.64

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Solution

The fourth proportional to 17,345.20, 23,930.48 and 9,790.64 is: 13,507.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,345.20 : 23,930.48 = 9,790.64 : x
  2. Step 2: Convert to fraction form
    17,345.20/23,930.48 = 9,790.64/x
  3. Step 3: Cross multiply
    17,345.20x = 23,930.48 × 9,790.64
  4. Step 4: Simplify right side
    17,345.20x = 234,294,714.71
  5. Step 5: Solve for x
    x = 234,294,714.71/17,345.20
  6. Step 6: Final answer
    x = 13,507.76

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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.