Home / 14,577.11-20,114.56-8,289.62

Finding the Fourth Proportional to 14,577.11, 20,114.56 and 8,289.62

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Solution

The fourth proportional to 14,577.11, 20,114.56 and 8,289.62 is: 11,438.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,577.11 : 20,114.56 = 8,289.62 : x
  2. Step 2: Convert to fraction form
    14,577.11/20,114.56 = 8,289.62/x
  3. Step 3: Cross multiply
    14,577.11x = 20,114.56 × 8,289.62
  4. Step 4: Simplify right side
    14,577.11x = 166,742,058.87
  5. Step 5: Solve for x
    x = 166,742,058.87/14,577.11
  6. Step 6: Final answer
    x = 11,438.62

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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.