Home / 14,127.60-21,192.21-4,267.88

Finding the Fourth Proportional to 14,127.60, 21,192.21 and 4,267.88

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Solution

The fourth proportional to 14,127.60, 21,192.21 and 4,267.88 is: 6,402.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.60 : 21,192.21 = 4,267.88 : x
  2. Step 2: Convert to fraction form
    14,127.60/21,192.21 = 4,267.88/x
  3. Step 3: Cross multiply
    14,127.60x = 21,192.21 × 4,267.88
  4. Step 4: Simplify right side
    14,127.60x = 90,445,809.21
  5. Step 5: Solve for x
    x = 90,445,809.21/14,127.60
  6. Step 6: Final answer
    x = 6,402.06

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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.