Home / 18,812.04-25,946.82-13,512.30

Finding the Fourth Proportional to 18,812.04, 25,946.82 and 13,512.30

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Solution

The fourth proportional to 18,812.04, 25,946.82 and 13,512.30 is: 18,637.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,812.04 : 25,946.82 = 13,512.30 : x
  2. Step 2: Convert to fraction form
    18,812.04/25,946.82 = 13,512.30/x
  3. Step 3: Cross multiply
    18,812.04x = 25,946.82 × 13,512.30
  4. Step 4: Simplify right side
    18,812.04x = 350,601,215.89
  5. Step 5: Solve for x
    x = 350,601,215.89/18,812.04
  6. Step 6: Final answer
    x = 18,637.07

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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.