Home / 17,431.90-26,127.08-8,058.78

Finding the Fourth Proportional to 17,431.90, 26,127.08 and 8,058.78

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Solution

The fourth proportional to 17,431.90, 26,127.08 and 8,058.78 is: 12,078.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,431.90 : 26,127.08 = 8,058.78 : x
  2. Step 2: Convert to fraction form
    17,431.90/26,127.08 = 8,058.78/x
  3. Step 3: Cross multiply
    17,431.90x = 26,127.08 × 8,058.78
  4. Step 4: Simplify right side
    17,431.90x = 210,552,389.76
  5. Step 5: Solve for x
    x = 210,552,389.76/17,431.90
  6. Step 6: Final answer
    x = 12,078.57

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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.