Home / 14,659.56-21,990.08-4,272.12

Finding the Fourth Proportional to 14,659.56, 21,990.08 and 4,272.12

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Solution

The fourth proportional to 14,659.56, 21,990.08 and 4,272.12 is: 6,408.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,659.56 : 21,990.08 = 4,272.12 : x
  2. Step 2: Convert to fraction form
    14,659.56/21,990.08 = 4,272.12/x
  3. Step 3: Cross multiply
    14,659.56x = 21,990.08 × 4,272.12
  4. Step 4: Simplify right side
    14,659.56x = 93,944,260.57
  5. Step 5: Solve for x
    x = 93,944,260.57/14,659.56
  6. Step 6: Final answer
    x = 6,408.40

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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.