Home / 14,161.40-21,202.12-7,482.76

Finding the Fourth Proportional to 14,161.40, 21,202.12 and 7,482.76

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Solution

The fourth proportional to 14,161.40, 21,202.12 and 7,482.76 is: 11,203.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,161.40 : 21,202.12 = 7,482.76 : x
  2. Step 2: Convert to fraction form
    14,161.40/21,202.12 = 7,482.76/x
  3. Step 3: Cross multiply
    14,161.40x = 21,202.12 × 7,482.76
  4. Step 4: Simplify right side
    14,161.40x = 158,650,451.06
  5. Step 5: Solve for x
    x = 158,650,451.06/14,161.40
  6. Step 6: Final answer
    x = 11,203.02

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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.