Home / 14,043.62-21,050.85-5,720.06

Finding the Fourth Proportional to 14,043.62, 21,050.85 and 5,720.06

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Solution

The fourth proportional to 14,043.62, 21,050.85 and 5,720.06 is: 8,574.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,043.62 : 21,050.85 = 5,720.06 : x
  2. Step 2: Convert to fraction form
    14,043.62/21,050.85 = 5,720.06/x
  3. Step 3: Cross multiply
    14,043.62x = 21,050.85 × 5,720.06
  4. Step 4: Simplify right side
    14,043.62x = 120,412,125.05
  5. Step 5: Solve for x
    x = 120,412,125.05/14,043.62
  6. Step 6: Final answer
    x = 8,574.15

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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.