Home / 22,087.04-30,480.48-12,015.68

Finding the Fourth Proportional to 22,087.04, 30,480.48 and 12,015.68

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Solution

The fourth proportional to 22,087.04, 30,480.48 and 12,015.68 is: 16,581.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,087.04 : 30,480.48 = 12,015.68 : x
  2. Step 2: Convert to fraction form
    22,087.04/30,480.48 = 12,015.68/x
  3. Step 3: Cross multiply
    22,087.04x = 30,480.48 × 12,015.68
  4. Step 4: Simplify right side
    22,087.04x = 366,243,541.52
  5. Step 5: Solve for x
    x = 366,243,541.52/22,087.04
  6. Step 6: Final answer
    x = 16,581.83

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Half scale
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Double scale
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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.