Home / 8,518.18-11,751.81-6,285.42

Finding the Fourth Proportional to 8,518.18, 11,751.81 and 6,285.42

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Solution

The fourth proportional to 8,518.18, 11,751.81 and 6,285.42 is: 8,671.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518.18 : 11,751.81 = 6,285.42 : x
  2. Step 2: Convert to fraction form
    8,518.18/11,751.81 = 6,285.42/x
  3. Step 3: Cross multiply
    8,518.18x = 11,751.81 × 6,285.42
  4. Step 4: Simplify right side
    8,518.18x = 73,865,061.61
  5. Step 5: Solve for x
    x = 73,865,061.61/8,518.18
  6. Step 6: Final answer
    x = 8,671.46

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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.