Home / 14,835.30-20,465.70-9,168.08

Finding the Fourth Proportional to 14,835.30, 20,465.70 and 9,168.08

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Solution

The fourth proportional to 14,835.30, 20,465.70 and 9,168.08 is: 12,647.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,835.30 : 20,465.70 = 9,168.08 : x
  2. Step 2: Convert to fraction form
    14,835.30/20,465.70 = 9,168.08/x
  3. Step 3: Cross multiply
    14,835.30x = 20,465.70 × 9,168.08
  4. Step 4: Simplify right side
    14,835.30x = 187,631,072.53
  5. Step 5: Solve for x
    x = 187,631,072.53/14,835.30
  6. Step 6: Final answer
    x = 12,647.61

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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.