Home / 14,018.85-21,032.33-4,158.36

Finding the Fourth Proportional to 14,018.85, 21,032.33 and 4,158.36

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Solution

The fourth proportional to 14,018.85, 21,032.33 and 4,158.36 is: 6,238.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,018.85 : 21,032.33 = 4,158.36 : x
  2. Step 2: Convert to fraction form
    14,018.85/21,032.33 = 4,158.36/x
  3. Step 3: Cross multiply
    14,018.85x = 21,032.33 × 4,158.36
  4. Step 4: Simplify right side
    14,018.85x = 87,459,978.99
  5. Step 5: Solve for x
    x = 87,459,978.99/14,018.85
  6. Step 6: Final answer
    x = 6,238.74

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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.