Home / 21,407.72-32,110.97-8,262.93

Finding the Fourth Proportional to 21,407.72, 32,110.97 and 8,262.93

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Solution

The fourth proportional to 21,407.72, 32,110.97 and 8,262.93 is: 12,394.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,407.72 : 32,110.97 = 8,262.93 : x
  2. Step 2: Convert to fraction form
    21,407.72/32,110.97 = 8,262.93/x
  3. Step 3: Cross multiply
    21,407.72x = 32,110.97 × 8,262.93
  4. Step 4: Simplify right side
    21,407.72x = 265,330,776.44
  5. Step 5: Solve for x
    x = 265,330,776.44/21,407.72
  6. Step 6: Final answer
    x = 12,394.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.