Home / 14,108.10-21,154.05-4,245.90

Finding the Fourth Proportional to 14,108.10, 21,154.05 and 4,245.90

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Solution

The fourth proportional to 14,108.10, 21,154.05 and 4,245.90 is: 6,366.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,108.10 : 21,154.05 = 4,245.90 : x
  2. Step 2: Convert to fraction form
    14,108.10/21,154.05 = 4,245.90/x
  3. Step 3: Cross multiply
    14,108.10x = 21,154.05 × 4,245.90
  4. Step 4: Simplify right side
    14,108.10x = 89,817,980.90
  5. Step 5: Solve for x
    x = 89,817,980.90/14,108.10
  6. Step 6: Final answer
    x = 6,366.41

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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.