Home / 14,587.22-20,134.05-9,999.38

Finding the Fourth Proportional to 14,587.22, 20,134.05 and 9,999.38

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Solution

The fourth proportional to 14,587.22, 20,134.05 and 9,999.38 is: 13,801.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,587.22 : 20,134.05 = 9,999.38 : x
  2. Step 2: Convert to fraction form
    14,587.22/20,134.05 = 9,999.38/x
  3. Step 3: Cross multiply
    14,587.22x = 20,134.05 × 9,999.38
  4. Step 4: Simplify right side
    14,587.22x = 201,328,016.89
  5. Step 5: Solve for x
    x = 201,328,016.89/14,587.22
  6. Step 6: Final answer
    x = 13,801.67

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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.