Home / 12,320.16-17,001.84-6,654.93

Finding the Fourth Proportional to 12,320.16, 17,001.84 and 6,654.93

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Solution

The fourth proportional to 12,320.16, 17,001.84 and 6,654.93 is: 9,183.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,320.16 : 17,001.84 = 6,654.93 : x
  2. Step 2: Convert to fraction form
    12,320.16/17,001.84 = 6,654.93/x
  3. Step 3: Cross multiply
    12,320.16x = 17,001.84 × 6,654.93
  4. Step 4: Simplify right side
    12,320.16x = 113,146,055.07
  5. Step 5: Solve for x
    x = 113,146,055.07/12,320.16
  6. Step 6: Final answer
    x = 9,183.81

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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.