Home / 18,812.04-25,955.36-14,820.78

Finding the Fourth Proportional to 18,812.04, 25,955.36 and 14,820.78

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Solution

The fourth proportional to 18,812.04, 25,955.36 and 14,820.78 is: 20,448.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,812.04 : 25,955.36 = 14,820.78 : x
  2. Step 2: Convert to fraction form
    18,812.04/25,955.36 = 14,820.78/x
  3. Step 3: Cross multiply
    18,812.04x = 25,955.36 × 14,820.78
  4. Step 4: Simplify right side
    18,812.04x = 384,678,680.38
  5. Step 5: Solve for x
    x = 384,678,680.38/18,812.04
  6. Step 6: Final answer
    x = 20,448.54

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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.