Home / 21,571.09-32,368.98-11,711.19

Finding the Fourth Proportional to 21,571.09, 32,368.98 and 11,711.19

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Solution

The fourth proportional to 21,571.09, 32,368.98 and 11,711.19 is: 17,573.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,571.09 : 32,368.98 = 11,711.19 : x
  2. Step 2: Convert to fraction form
    21,571.09/32,368.98 = 11,711.19/x
  3. Step 3: Cross multiply
    21,571.09x = 32,368.98 × 11,711.19
  4. Step 4: Simplify right side
    21,571.09x = 379,079,440.19
  5. Step 5: Solve for x
    x = 379,079,440.19/21,571.09
  6. Step 6: Final answer
    x = 17,573.50

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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.