Home / 14,646.90-20,212.29-8,273.79

Finding the Fourth Proportional to 14,646.90, 20,212.29 and 8,273.79

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Solution

The fourth proportional to 14,646.90, 20,212.29 and 8,273.79 is: 11,417.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,646.90 : 20,212.29 = 8,273.79 : x
  2. Step 2: Convert to fraction form
    14,646.90/20,212.29 = 8,273.79/x
  3. Step 3: Cross multiply
    14,646.90x = 20,212.29 × 8,273.79
  4. Step 4: Simplify right side
    14,646.90x = 167,232,242.88
  5. Step 5: Solve for x
    x = 167,232,242.88/14,646.90
  6. Step 6: Final answer
    x = 11,417.59

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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.