Home / 14,020.02-21,026.78-4,156.92

Finding the Fourth Proportional to 14,020.02, 21,026.78 and 4,156.92

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Solution

The fourth proportional to 14,020.02, 21,026.78 and 4,156.92 is: 6,234.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020.02 : 21,026.78 = 4,156.92 : x
  2. Step 2: Convert to fraction form
    14,020.02/21,026.78 = 4,156.92/x
  3. Step 3: Cross multiply
    14,020.02x = 21,026.78 × 4,156.92
  4. Step 4: Simplify right side
    14,020.02x = 87,406,642.32
  5. Step 5: Solve for x
    x = 87,406,642.32/14,020.02
  6. Step 6: Final answer
    x = 6,234.42

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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.