Home / 12,066.96-18,182.65-9,923.70

Finding the Fourth Proportional to 12,066.96, 18,182.65 and 9,923.70

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Solution

The fourth proportional to 12,066.96, 18,182.65 and 9,923.70 is: 14,953.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,066.96 : 18,182.65 = 9,923.70 : x
  2. Step 2: Convert to fraction form
    12,066.96/18,182.65 = 9,923.70/x
  3. Step 3: Cross multiply
    12,066.96x = 18,182.65 × 9,923.70
  4. Step 4: Simplify right side
    12,066.96x = 180,439,163.81
  5. Step 5: Solve for x
    x = 180,439,163.81/12,066.96
  6. Step 6: Final answer
    x = 14,953.16

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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.