Home / 17,587.40-26,356.52-12,633.84

Finding the Fourth Proportional to 17,587.40, 26,356.52 and 12,633.84

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Solution

The fourth proportional to 17,587.40, 26,356.52 and 12,633.84 is: 18,933.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,587.40 : 26,356.52 = 12,633.84 : x
  2. Step 2: Convert to fraction form
    17,587.40/26,356.52 = 12,633.84/x
  3. Step 3: Cross multiply
    17,587.40x = 26,356.52 × 12,633.84
  4. Step 4: Simplify right side
    17,587.40x = 332,984,088.22
  5. Step 5: Solve for x
    x = 332,984,088.22/17,587.40
  6. Step 6: Final answer
    x = 18,933.11

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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.