Home / 14,910.08-20,567.31-9,311.36

Finding the Fourth Proportional to 14,910.08, 20,567.31 and 9,311.36

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Solution

The fourth proportional to 14,910.08, 20,567.31 and 9,311.36 is: 12,844.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,910.08 : 20,567.31 = 9,311.36 : x
  2. Step 2: Convert to fraction form
    14,910.08/20,567.31 = 9,311.36/x
  3. Step 3: Cross multiply
    14,910.08x = 20,567.31 × 9,311.36
  4. Step 4: Simplify right side
    14,910.08x = 191,509,524.81
  5. Step 5: Solve for x
    x = 191,509,524.81/14,910.08
  6. Step 6: Final answer
    x = 12,844.30

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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.