Home / 17,877.92-26,800.47-9,102.58

Finding the Fourth Proportional to 17,877.92, 26,800.47 and 9,102.58

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Solution

The fourth proportional to 17,877.92, 26,800.47 and 9,102.58 is: 13,645.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,877.92 : 26,800.47 = 9,102.58 : x
  2. Step 2: Convert to fraction form
    17,877.92/26,800.47 = 9,102.58/x
  3. Step 3: Cross multiply
    17,877.92x = 26,800.47 × 9,102.58
  4. Step 4: Simplify right side
    17,877.92x = 243,953,355.21
  5. Step 5: Solve for x
    x = 243,953,355.21/17,877.92
  6. Step 6: Final answer
    x = 13,645.51

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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.