Home / 14,018.98-21,028.41-4,659.70

Finding the Fourth Proportional to 14,018.98, 21,028.41 and 4,659.70

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Solution

The fourth proportional to 14,018.98, 21,028.41 and 4,659.70 is: 6,989.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,018.98 : 21,028.41 = 4,659.70 : x
  2. Step 2: Convert to fraction form
    14,018.98/21,028.41 = 4,659.70/x
  3. Step 3: Cross multiply
    14,018.98x = 21,028.41 × 4,659.70
  4. Step 4: Simplify right side
    14,018.98x = 97,986,082.08
  5. Step 5: Solve for x
    x = 97,986,082.08/14,018.98
  6. Step 6: Final answer
    x = 6,989.53

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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.