Home / 14,031.39-21,050.56-4,170.63

Finding the Fourth Proportional to 14,031.39, 21,050.56 and 4,170.63

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Solution

The fourth proportional to 14,031.39, 21,050.56 and 4,170.63 is: 6,256.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,031.39 : 21,050.56 = 4,170.63 : x
  2. Step 2: Convert to fraction form
    14,031.39/21,050.56 = 4,170.63/x
  3. Step 3: Cross multiply
    14,031.39x = 21,050.56 × 4,170.63
  4. Step 4: Simplify right side
    14,031.39x = 87,794,023.57
  5. Step 5: Solve for x
    x = 87,794,023.57/14,031.39
  6. Step 6: Final answer
    x = 6,256.97

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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.