Home / 9,570.43-14,350.12-3,720.20

Finding the Fourth Proportional to 9,570.43, 14,350.12 and 3,720.20

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Solution

The fourth proportional to 9,570.43, 14,350.12 and 3,720.20 is: 5,578.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,570.43 : 14,350.12 = 3,720.20 : x
  2. Step 2: Convert to fraction form
    9,570.43/14,350.12 = 3,720.20/x
  3. Step 3: Cross multiply
    9,570.43x = 14,350.12 × 3,720.20
  4. Step 4: Simplify right side
    9,570.43x = 53,385,316.42
  5. Step 5: Solve for x
    x = 53,385,316.42/9,570.43
  6. Step 6: Final answer
    x = 5,578.15

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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.