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Finding the Fourth Proportional to 17,159.08, 23,679.66 and 9,707.08

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Solution

The fourth proportional to 17,159.08, 23,679.66 and 9,707.08 is: 13,395.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,159.08 : 23,679.66 = 9,707.08 : x
  2. Step 2: Convert to fraction form
    17,159.08/23,679.66 = 9,707.08/x
  3. Step 3: Cross multiply
    17,159.08x = 23,679.66 × 9,707.08
  4. Step 4: Simplify right side
    17,159.08x = 229,860,353.99
  5. Step 5: Solve for x
    x = 229,860,353.99/17,159.08
  6. Step 6: Final answer
    x = 13,395.84

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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.