Home / 11,579.23-17,345.59-5,330.56

Finding the Fourth Proportional to 11,579.23, 17,345.59 and 5,330.56

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Solution

The fourth proportional to 11,579.23, 17,345.59 and 5,330.56 is: 7,985.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,579.23 : 17,345.59 = 5,330.56 : x
  2. Step 2: Convert to fraction form
    11,579.23/17,345.59 = 5,330.56/x
  3. Step 3: Cross multiply
    11,579.23x = 17,345.59 × 5,330.56
  4. Step 4: Simplify right side
    11,579.23x = 92,461,708.23
  5. Step 5: Solve for x
    x = 92,461,708.23/11,579.23
  6. Step 6: Final answer
    x = 7,985.13

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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.