Home / 15,058.03-20,779.20-8,343.25

Finding the Fourth Proportional to 15,058.03, 20,779.20 and 8,343.25

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Solution

The fourth proportional to 15,058.03, 20,779.20 and 8,343.25 is: 11,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,058.03 : 20,779.20 = 8,343.25 : x
  2. Step 2: Convert to fraction form
    15,058.03/20,779.20 = 8,343.25/x
  3. Step 3: Cross multiply
    15,058.03x = 20,779.20 × 8,343.25
  4. Step 4: Simplify right side
    15,058.03x = 173,366,086.37
  5. Step 5: Solve for x
    x = 173,366,086.37/15,058.03
  6. Step 6: Final answer
    x = 11,513.20

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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.