Home / 14,018.76-21,025.98-4,158.90

Finding the Fourth Proportional to 14,018.76, 21,025.98 and 4,158.90

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Solution

The fourth proportional to 14,018.76, 21,025.98 and 4,158.90 is: 6,237.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,018.76 : 21,025.98 = 4,158.90 : x
  2. Step 2: Convert to fraction form
    14,018.76/21,025.98 = 4,158.90/x
  3. Step 3: Cross multiply
    14,018.76x = 21,025.98 × 4,158.90
  4. Step 4: Simplify right side
    14,018.76x = 87,444,948.22
  5. Step 5: Solve for x
    x = 87,444,948.22/14,018.76
  6. Step 6: Final answer
    x = 6,237.71

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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.