Home / 14,122.93-19,487.55-8,456.35

Finding the Fourth Proportional to 14,122.93, 19,487.55 and 8,456.35

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Solution

The fourth proportional to 14,122.93, 19,487.55 and 8,456.35 is: 11,668.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.93 : 19,487.55 = 8,456.35 : x
  2. Step 2: Convert to fraction form
    14,122.93/19,487.55 = 8,456.35/x
  3. Step 3: Cross multiply
    14,122.93x = 19,487.55 × 8,456.35
  4. Step 4: Simplify right side
    14,122.93x = 164,793,543.44
  5. Step 5: Solve for x
    x = 164,793,543.44/14,122.93
  6. Step 6: Final answer
    x = 11,668.51

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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.