Home / 21,571.40-32,343.66-9,084.98

Finding the Fourth Proportional to 21,571.40, 32,343.66 and 9,084.98

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Solution

The fourth proportional to 21,571.40, 32,343.66 and 9,084.98 is: 13,621.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,571.40 : 32,343.66 = 9,084.98 : x
  2. Step 2: Convert to fraction form
    21,571.40/32,343.66 = 9,084.98/x
  3. Step 3: Cross multiply
    21,571.40x = 32,343.66 × 9,084.98
  4. Step 4: Simplify right side
    21,571.40x = 293,841,342.51
  5. Step 5: Solve for x
    x = 293,841,342.51/21,571.40
  6. Step 6: Final answer
    x = 13,621.81

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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.