Home / 14,053.90-21,080.85-4,200.10

Finding the Fourth Proportional to 14,053.90, 21,080.85 and 4,200.10

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Solution

The fourth proportional to 14,053.90, 21,080.85 and 4,200.10 is: 6,300.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,053.90 : 21,080.85 = 4,200.10 : x
  2. Step 2: Convert to fraction form
    14,053.90/21,080.85 = 4,200.10/x
  3. Step 3: Cross multiply
    14,053.90x = 21,080.85 × 4,200.10
  4. Step 4: Simplify right side
    14,053.90x = 88,541,609.63
  5. Step 5: Solve for x
    x = 88,541,609.63/14,053.90
  6. Step 6: Final answer
    x = 6,300.15

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Similar ratio
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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.