Home / 20,377.64-30,566.58-9,276.57

Finding the Fourth Proportional to 20,377.64, 30,566.58 and 9,276.57

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Solution

The fourth proportional to 20,377.64, 30,566.58 and 9,276.57 is: 13,914.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,377.64 : 30,566.58 = 9,276.57 : x
  2. Step 2: Convert to fraction form
    20,377.64/30,566.58 = 9,276.57/x
  3. Step 3: Cross multiply
    20,377.64x = 30,566.58 × 9,276.57
  4. Step 4: Simplify right side
    20,377.64x = 283,553,019.03
  5. Step 5: Solve for x
    x = 283,553,019.03/20,377.64
  6. Step 6: Final answer
    x = 13,914.91

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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.