Home / 9,145.58-13,718.70-3,600.05

Finding the Fourth Proportional to 9,145.58, 13,718.70 and 3,600.05

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Solution

The fourth proportional to 9,145.58, 13,718.70 and 3,600.05 is: 5,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,145.58 : 13,718.70 = 3,600.05 : x
  2. Step 2: Convert to fraction form
    9,145.58/13,718.70 = 3,600.05/x
  3. Step 3: Cross multiply
    9,145.58x = 13,718.70 × 3,600.05
  4. Step 4: Simplify right side
    9,145.58x = 49,387,937.34
  5. Step 5: Solve for x
    x = 49,387,937.34/9,145.58
  6. Step 6: Final answer
    x = 5,400.20

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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.