Home / 14,596.40-20,145.12-8,309.36

Finding the Fourth Proportional to 14,596.40, 20,145.12 and 8,309.36

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Solution

The fourth proportional to 14,596.40, 20,145.12 and 8,309.36 is: 11,468.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,596.40 : 20,145.12 = 8,309.36 : x
  2. Step 2: Convert to fraction form
    14,596.40/20,145.12 = 8,309.36/x
  3. Step 3: Cross multiply
    14,596.40x = 20,145.12 × 8,309.36
  4. Step 4: Simplify right side
    14,596.40x = 167,393,054.32
  5. Step 5: Solve for x
    x = 167,393,054.32/14,596.40
  6. Step 6: Final answer
    x = 11,468.11

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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.