Home / 13,960.55-19,268.60-8,587.61

Finding the Fourth Proportional to 13,960.55, 19,268.60 and 8,587.61

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Solution

The fourth proportional to 13,960.55, 19,268.60 and 8,587.61 is: 11,852.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,960.55 : 19,268.60 = 8,587.61 : x
  2. Step 2: Convert to fraction form
    13,960.55/19,268.60 = 8,587.61/x
  3. Step 3: Cross multiply
    13,960.55x = 19,268.60 × 8,587.61
  4. Step 4: Simplify right side
    13,960.55x = 165,471,082.76
  5. Step 5: Solve for x
    x = 165,471,082.76/13,960.55
  6. Step 6: Final answer
    x = 11,852.77

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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.