Home / 18,280.36-27,417.07-8,910.96

Finding the Fourth Proportional to 18,280.36, 27,417.07 and 8,910.96

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Solution

The fourth proportional to 18,280.36, 27,417.07 and 8,910.96 is: 13,364.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,280.36 : 27,417.07 = 8,910.96 : x
  2. Step 2: Convert to fraction form
    18,280.36/27,417.07 = 8,910.96/x
  3. Step 3: Cross multiply
    18,280.36x = 27,417.07 × 8,910.96
  4. Step 4: Simplify right side
    18,280.36x = 244,312,391.81
  5. Step 5: Solve for x
    x = 244,312,391.81/18,280.36
  6. Step 6: Final answer
    x = 13,364.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.