Home / 14,104.45-19,462.77-8,438.05

Finding the Fourth Proportional to 14,104.45, 19,462.77 and 8,438.05

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Solution

The fourth proportional to 14,104.45, 19,462.77 and 8,438.05 is: 11,643.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,104.45 : 19,462.77 = 8,438.05 : x
  2. Step 2: Convert to fraction form
    14,104.45/19,462.77 = 8,438.05/x
  3. Step 3: Cross multiply
    14,104.45x = 19,462.77 × 8,438.05
  4. Step 4: Simplify right side
    14,104.45x = 164,227,826.40
  5. Step 5: Solve for x
    x = 164,227,826.40/14,104.45
  6. Step 6: Final answer
    x = 11,643.69

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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.