Home / 14,275.85-21,412.15-9,027.05

Finding the Fourth Proportional to 14,275.85, 21,412.15 and 9,027.05

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Solution

The fourth proportional to 14,275.85, 21,412.15 and 9,027.05 is: 13,539.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275.85 : 21,412.15 = 9,027.05 : x
  2. Step 2: Convert to fraction form
    14,275.85/21,412.15 = 9,027.05/x
  3. Step 3: Cross multiply
    14,275.85x = 21,412.15 × 9,027.05
  4. Step 4: Simplify right side
    14,275.85x = 193,288,419.03
  5. Step 5: Solve for x
    x = 193,288,419.03/14,275.85
  6. Step 6: Final answer
    x = 13,539.54

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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.