Home / 21,567.91-32,355.13-6,775.43

Finding the Fourth Proportional to 21,567.91, 32,355.13 and 6,775.43

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Solution

The fourth proportional to 21,567.91, 32,355.13 and 6,775.43 is: 10,164.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,567.91 : 32,355.13 = 6,775.43 : x
  2. Step 2: Convert to fraction form
    21,567.91/32,355.13 = 6,775.43/x
  3. Step 3: Cross multiply
    21,567.91x = 32,355.13 × 6,775.43
  4. Step 4: Simplify right side
    21,567.91x = 219,219,918.46
  5. Step 5: Solve for x
    x = 219,219,918.46/21,567.91
  6. Step 6: Final answer
    x = 10,164.17

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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.