Home / 14,019.17-21,028.75-4,158.36

Finding the Fourth Proportional to 14,019.17, 21,028.75 and 4,158.36

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Solution

The fourth proportional to 14,019.17, 21,028.75 and 4,158.36 is: 6,237.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,019.17 : 21,028.75 = 4,158.36 : x
  2. Step 2: Convert to fraction form
    14,019.17/21,028.75 = 4,158.36/x
  3. Step 3: Cross multiply
    14,019.17x = 21,028.75 × 4,158.36
  4. Step 4: Simplify right side
    14,019.17x = 87,445,207.30
  5. Step 5: Solve for x
    x = 87,445,207.30/14,019.17
  6. Step 6: Final answer
    x = 6,237.55

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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.