Home / 11,564.82-17,345.79-4,985.58

Finding the Fourth Proportional to 11,564.82, 17,345.79 and 4,985.58

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Solution

The fourth proportional to 11,564.82, 17,345.79 and 4,985.58 is: 7,477.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,564.82 : 17,345.79 = 4,985.58 : x
  2. Step 2: Convert to fraction form
    11,564.82/17,345.79 = 4,985.58/x
  3. Step 3: Cross multiply
    11,564.82x = 17,345.79 × 4,985.58
  4. Step 4: Simplify right side
    11,564.82x = 86,478,823.71
  5. Step 5: Solve for x
    x = 86,478,823.71/11,564.82
  6. Step 6: Final answer
    x = 7,477.75

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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.