Home / 15,192.04-21,000.42-14,571.88

Finding the Fourth Proportional to 15,192.04, 21,000.42 and 14,571.88

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Solution

The fourth proportional to 15,192.04, 21,000.42 and 14,571.88 is: 20,143.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,192.04 : 21,000.42 = 14,571.88 : x
  2. Step 2: Convert to fraction form
    15,192.04/21,000.42 = 14,571.88/x
  3. Step 3: Cross multiply
    15,192.04x = 21,000.42 × 14,571.88
  4. Step 4: Simplify right side
    15,192.04x = 306,015,600.19
  5. Step 5: Solve for x
    x = 306,015,600.19/15,192.04
  6. Step 6: Final answer
    x = 20,143.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.