Home / 20,192.84-30,276.30-13,259.24

Finding the Fourth Proportional to 20,192.84, 30,276.30 and 13,259.24

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Solution

The fourth proportional to 20,192.84, 30,276.30 and 13,259.24 is: 19,880.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,192.84 : 30,276.30 = 13,259.24 : x
  2. Step 2: Convert to fraction form
    20,192.84/30,276.30 = 13,259.24/x
  3. Step 3: Cross multiply
    20,192.84x = 30,276.30 × 13,259.24
  4. Step 4: Simplify right side
    20,192.84x = 401,440,728.01
  5. Step 5: Solve for x
    x = 401,440,728.01/20,192.84
  6. Step 6: Final answer
    x = 19,880.35

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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.