Home / 13,559.22-20,317.86-9,407.34

Finding the Fourth Proportional to 13,559.22, 20,317.86 and 9,407.34

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Solution

The fourth proportional to 13,559.22, 20,317.86 and 9,407.34 is: 14,096.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,559.22 : 20,317.86 = 9,407.34 : x
  2. Step 2: Convert to fraction form
    13,559.22/20,317.86 = 9,407.34/x
  3. Step 3: Cross multiply
    13,559.22x = 20,317.86 × 9,407.34
  4. Step 4: Simplify right side
    13,559.22x = 191,137,017.09
  5. Step 5: Solve for x
    x = 191,137,017.09/13,559.22
  6. Step 6: Final answer
    x = 14,096.46

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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.