Home / 14,058.90-21,112.65-9,150.30

Finding the Fourth Proportional to 14,058.90, 21,112.65 and 9,150.30

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Solution

The fourth proportional to 14,058.90, 21,112.65 and 9,150.30 is: 13,741.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,058.90 : 21,112.65 = 9,150.30 : x
  2. Step 2: Convert to fraction form
    14,058.90/21,112.65 = 9,150.30/x
  3. Step 3: Cross multiply
    14,058.90x = 21,112.65 × 9,150.30
  4. Step 4: Simplify right side
    14,058.90x = 193,187,081.30
  5. Step 5: Solve for x
    x = 193,187,081.30/14,058.90
  6. Step 6: Final answer
    x = 13,741.27

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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.