Home / 12,484.58-18,726.50-5,087.21

Finding the Fourth Proportional to 12,484.58, 18,726.50 and 5,087.21

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Solution

The fourth proportional to 12,484.58, 18,726.50 and 5,087.21 is: 7,630.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,484.58 : 18,726.50 = 5,087.21 : x
  2. Step 2: Convert to fraction form
    12,484.58/18,726.50 = 5,087.21/x
  3. Step 3: Cross multiply
    12,484.58x = 18,726.50 × 5,087.21
  4. Step 4: Simplify right side
    12,484.58x = 95,265,557.15
  5. Step 5: Solve for x
    x = 95,265,557.15/12,484.58
  6. Step 6: Final answer
    x = 7,630.66

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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.