Home / 56,511.18-84,766.14-13,817.03

Finding the Fourth Proportional to 56,511.18, 84,766.14 and 13,817.03

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Solution

The fourth proportional to 56,511.18, 84,766.14 and 13,817.03 is: 20,725.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,511.18 : 84,766.14 = 13,817.03 : x
  2. Step 2: Convert to fraction form
    56,511.18/84,766.14 = 13,817.03/x
  3. Step 3: Cross multiply
    56,511.18x = 84,766.14 × 13,817.03
  4. Step 4: Simplify right side
    56,511.18x = 1,171,215,875.53
  5. Step 5: Solve for x
    x = 1,171,215,875.53/56,511.18
  6. Step 6: Final answer
    x = 20,725.38

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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.