Home / 19,513.53-29,271.60-6,861.77

Finding the Fourth Proportional to 19,513.53, 29,271.60 and 6,861.77

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Solution

The fourth proportional to 19,513.53, 29,271.60 and 6,861.77 is: 10,293.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,513.53 : 29,271.60 = 6,861.77 : x
  2. Step 2: Convert to fraction form
    19,513.53/29,271.60 = 6,861.77/x
  3. Step 3: Cross multiply
    19,513.53x = 29,271.60 × 6,861.77
  4. Step 4: Simplify right side
    19,513.53x = 200,854,840.37
  5. Step 5: Solve for x
    x = 200,854,840.37/19,513.53
  6. Step 6: Final answer
    x = 10,293.11

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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.