Home / 14,346.95-19,800.10-8,380.54

Finding the Fourth Proportional to 14,346.95, 19,800.10 and 8,380.54

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Solution

The fourth proportional to 14,346.95, 19,800.10 and 8,380.54 is: 11,565.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,346.95 : 19,800.10 = 8,380.54 : x
  2. Step 2: Convert to fraction form
    14,346.95/19,800.10 = 8,380.54/x
  3. Step 3: Cross multiply
    14,346.95x = 19,800.10 × 8,380.54
  4. Step 4: Simplify right side
    14,346.95x = 165,935,462.45
  5. Step 5: Solve for x
    x = 165,935,462.45/14,346.95
  6. Step 6: Final answer
    x = 11,565.91

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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.