Home / 21,203.64-31,790.34-8,044.92

Finding the Fourth Proportional to 21,203.64, 31,790.34 and 8,044.92

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Solution

The fourth proportional to 21,203.64, 31,790.34 and 8,044.92 is: 12,061.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,203.64 : 31,790.34 = 8,044.92 : x
  2. Step 2: Convert to fraction form
    21,203.64/31,790.34 = 8,044.92/x
  3. Step 3: Cross multiply
    21,203.64x = 31,790.34 × 8,044.92
  4. Step 4: Simplify right side
    21,203.64x = 255,750,742.07
  5. Step 5: Solve for x
    x = 255,750,742.07/21,203.64
  6. Step 6: Final answer
    x = 12,061.64

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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.