Home / 20,377.31-30,566.06-9,276.23

Finding the Fourth Proportional to 20,377.31, 30,566.06 and 9,276.23

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Solution

The fourth proportional to 20,377.31, 30,566.06 and 9,276.23 is: 13,914.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,377.31 : 30,566.06 = 9,276.23 : x
  2. Step 2: Convert to fraction form
    20,377.31/30,566.06 = 9,276.23/x
  3. Step 3: Cross multiply
    20,377.31x = 30,566.06 × 9,276.23
  4. Step 4: Simplify right side
    20,377.31x = 283,537,695.64
  5. Step 5: Solve for x
    x = 283,537,695.64/20,377.31
  6. Step 6: Final answer
    x = 13,914.39

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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.