Home / 17,430.30-26,145.09-4,282.16

Finding the Fourth Proportional to 17,430.30, 26,145.09 and 4,282.16

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Solution

The fourth proportional to 17,430.30, 26,145.09 and 4,282.16 is: 6,423.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,430.30 : 26,145.09 = 4,282.16 : x
  2. Step 2: Convert to fraction form
    17,430.30/26,145.09 = 4,282.16/x
  3. Step 3: Cross multiply
    17,430.30x = 26,145.09 × 4,282.16
  4. Step 4: Simplify right side
    17,430.30x = 111,957,327.87
  5. Step 5: Solve for x
    x = 111,957,327.87/17,430.30
  6. Step 6: Final answer
    x = 6,423.14

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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.