Home / 14,203.90-19,595.20-8,458.14

Finding the Fourth Proportional to 14,203.90, 19,595.20 and 8,458.14

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Solution

The fourth proportional to 14,203.90, 19,595.20 and 8,458.14 is: 11,668.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,203.90 : 19,595.20 = 8,458.14 : x
  2. Step 2: Convert to fraction form
    14,203.90/19,595.20 = 8,458.14/x
  3. Step 3: Cross multiply
    14,203.90x = 19,595.20 × 8,458.14
  4. Step 4: Simplify right side
    14,203.90x = 165,738,944.93
  5. Step 5: Solve for x
    x = 165,738,944.93/14,203.90
  6. Step 6: Final answer
    x = 11,668.55

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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.