Home / 21,921.18-32,888.25-6,338.94

Finding the Fourth Proportional to 21,921.18, 32,888.25 and 6,338.94

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Solution

The fourth proportional to 21,921.18, 32,888.25 and 6,338.94 is: 9,510.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,921.18 : 32,888.25 = 6,338.94 : x
  2. Step 2: Convert to fraction form
    21,921.18/32,888.25 = 6,338.94/x
  3. Step 3: Cross multiply
    21,921.18x = 32,888.25 × 6,338.94
  4. Step 4: Simplify right side
    21,921.18x = 208,476,643.46
  5. Step 5: Solve for x
    x = 208,476,643.46/21,921.18
  6. Step 6: Final answer
    x = 9,510.28

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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.