Home / 9,320.28-14,051.85-8,685.84

Finding the Fourth Proportional to 9,320.28, 14,051.85 and 8,685.84

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Solution

The fourth proportional to 9,320.28, 14,051.85 and 8,685.84 is: 13,095.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.28 : 14,051.85 = 8,685.84 : x
  2. Step 2: Convert to fraction form
    9,320.28/14,051.85 = 8,685.84/x
  3. Step 3: Cross multiply
    9,320.28x = 14,051.85 × 8,685.84
  4. Step 4: Simplify right side
    9,320.28x = 122,052,120.80
  5. Step 5: Solve for x
    x = 122,052,120.80/9,320.28
  6. Step 6: Final answer
    x = 13,095.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.