Home / 14,728.80-20,328.12-9,066.96

Finding the Fourth Proportional to 14,728.80, 20,328.12 and 9,066.96

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Solution

The fourth proportional to 14,728.80, 20,328.12 and 9,066.96 is: 12,513.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,728.80 : 20,328.12 = 9,066.96 : x
  2. Step 2: Convert to fraction form
    14,728.80/20,328.12 = 9,066.96/x
  3. Step 3: Cross multiply
    14,728.80x = 20,328.12 × 9,066.96
  4. Step 4: Simplify right side
    14,728.80x = 184,314,250.92
  5. Step 5: Solve for x
    x = 184,314,250.92/14,728.80
  6. Step 6: Final answer
    x = 12,513.87

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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.