Home / 21,563.08-32,345.99-6,772.58

Finding the Fourth Proportional to 21,563.08, 32,345.99 and 6,772.58

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Solution

The fourth proportional to 21,563.08, 32,345.99 and 6,772.58 is: 10,159.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,563.08 : 32,345.99 = 6,772.58 : x
  2. Step 2: Convert to fraction form
    21,563.08/32,345.99 = 6,772.58/x
  3. Step 3: Cross multiply
    21,563.08x = 32,345.99 × 6,772.58
  4. Step 4: Simplify right side
    21,563.08x = 219,065,609.36
  5. Step 5: Solve for x
    x = 219,065,609.36/21,563.08
  6. Step 6: Final answer
    x = 10,159.29

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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.