Home / 21,399.55-32,106.93-9,552.25

Finding the Fourth Proportional to 21,399.55, 32,106.93 and 9,552.25

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Solution

The fourth proportional to 21,399.55, 32,106.93 and 9,552.25 is: 14,331.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,399.55 : 32,106.93 = 9,552.25 : x
  2. Step 2: Convert to fraction form
    21,399.55/32,106.93 = 9,552.25/x
  3. Step 3: Cross multiply
    21,399.55x = 32,106.93 × 9,552.25
  4. Step 4: Simplify right side
    21,399.55x = 306,693,422.09
  5. Step 5: Solve for x
    x = 306,693,422.09/21,399.55
  6. Step 6: Final answer
    x = 14,331.77

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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.