Home / 20,908.53-31,337.69-9,059.04

Finding the Fourth Proportional to 20,908.53, 31,337.69 and 9,059.04

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Solution

The fourth proportional to 20,908.53, 31,337.69 and 9,059.04 is: 13,577.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,908.53 : 31,337.69 = 9,059.04 : x
  2. Step 2: Convert to fraction form
    20,908.53/31,337.69 = 9,059.04/x
  3. Step 3: Cross multiply
    20,908.53x = 31,337.69 × 9,059.04
  4. Step 4: Simplify right side
    20,908.53x = 283,889,341.92
  5. Step 5: Solve for x
    x = 283,889,341.92/20,908.53
  6. Step 6: Final answer
    x = 13,577.68

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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.